Home / 51,703.16-77,555.14-28,316.84

Finding the Fourth Proportional to 51,703.16, 77,555.14 and 28,316.84

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Solution

The fourth proportional to 51,703.16, 77,555.14 and 28,316.84 is: 42,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,703.16 : 77,555.14 = 28,316.84 : x
  2. Step 2: Convert to fraction form
    51,703.16/77,555.14 = 28,316.84/x
  3. Step 3: Cross multiply
    51,703.16x = 77,555.14 × 28,316.84
  4. Step 4: Simplify right side
    51,703.16x = 2,196,116,490.56
  5. Step 5: Solve for x
    x = 2,196,116,490.56/51,703.16
  6. Step 6: Final answer
    x = 42,475.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.