Home / 51,472.01-71,028.08-28,807.18

Finding the Fourth Proportional to 51,472.01, 71,028.08 and 28,807.18

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Solution

The fourth proportional to 51,472.01, 71,028.08 and 28,807.18 is: 39,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,472.01 : 71,028.08 = 28,807.18 : x
  2. Step 2: Convert to fraction form
    51,472.01/71,028.08 = 28,807.18/x
  3. Step 3: Cross multiply
    51,472.01x = 71,028.08 × 28,807.18
  4. Step 4: Simplify right side
    51,472.01x = 2,046,118,580.06
  5. Step 5: Solve for x
    x = 2,046,118,580.06/51,472.01
  6. Step 6: Final answer
    x = 39,752.07

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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.