Home / 38,001.36-57,005.69-9,921.90

Finding the Fourth Proportional to 38,001.36, 57,005.69 and 9,921.90

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Solution

The fourth proportional to 38,001.36, 57,005.69 and 9,921.90 is: 14,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.36 : 57,005.69 = 9,921.90 : x
  2. Step 2: Convert to fraction form
    38,001.36/57,005.69 = 9,921.90/x
  3. Step 3: Cross multiply
    38,001.36x = 57,005.69 × 9,921.90
  4. Step 4: Simplify right side
    38,001.36x = 565,604,706.00
  5. Step 5: Solve for x
    x = 565,604,706.00/38,001.36
  6. Step 6: Final answer
    x = 14,883.80

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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.