Home / 51,141.70-70,574.97-28,480.19

Finding the Fourth Proportional to 51,141.70, 70,574.97 and 28,480.19

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Solution

The fourth proportional to 51,141.70, 70,574.97 and 28,480.19 is: 39,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,141.70 : 70,574.97 = 28,480.19 : x
  2. Step 2: Convert to fraction form
    51,141.70/70,574.97 = 28,480.19/x
  3. Step 3: Cross multiply
    51,141.70x = 70,574.97 × 28,480.19
  4. Step 4: Simplify right side
    51,141.70x = 2,009,988,554.84
  5. Step 5: Solve for x
    x = 2,009,988,554.84/51,141.70
  6. Step 6: Final answer
    x = 39,302.35

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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.