Home / 51,142.16-70,574.21-28,482.11

Finding the Fourth Proportional to 51,142.16, 70,574.21 and 28,482.11

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Solution

The fourth proportional to 51,142.16, 70,574.21 and 28,482.11 is: 39,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,142.16 : 70,574.21 = 28,482.11 : x
  2. Step 2: Convert to fraction form
    51,142.16/70,574.21 = 28,482.11/x
  3. Step 3: Cross multiply
    51,142.16x = 70,574.21 × 28,482.11
  4. Step 4: Simplify right side
    51,142.16x = 2,010,102,412.38
  5. Step 5: Solve for x
    x = 2,010,102,412.38/51,142.16
  6. Step 6: Final answer
    x = 39,304.21

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.