Home / 52,001.73-71,762.19-28,128.40

Finding the Fourth Proportional to 52,001.73, 71,762.19 and 28,128.40

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Solution

The fourth proportional to 52,001.73, 71,762.19 and 28,128.40 is: 38,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.73 : 71,762.19 = 28,128.40 : x
  2. Step 2: Convert to fraction form
    52,001.73/71,762.19 = 28,128.40/x
  3. Step 3: Cross multiply
    52,001.73x = 71,762.19 × 28,128.40
  4. Step 4: Simplify right side
    52,001.73x = 2,018,555,585.20
  5. Step 5: Solve for x
    x = 2,018,555,585.20/52,001.73
  6. Step 6: Final answer
    x = 38,817.09

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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.