Home / 57,061.52-85,603-21,998.16

Finding the Fourth Proportional to 57,061.52, 85,603 and 21,998.16

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Solution

The fourth proportional to 57,061.52, 85,603 and 21,998.16 is: 33,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,061.52 : 85,603 = 21,998.16 : x
  2. Step 2: Convert to fraction form
    57,061.52/85,603 = 21,998.16/x
  3. Step 3: Cross multiply
    57,061.52x = 85,603 × 21,998.16
  4. Step 4: Simplify right side
    57,061.52x = 1,883,108,490.48
  5. Step 5: Solve for x
    x = 1,883,108,490.48/57,061.52
  6. Step 6: Final answer
    x = 33,001.37

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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.