Home / 42,717.88-64,088.34-38,605.24

Finding the Fourth Proportional to 42,717.88, 64,088.34 and 38,605.24

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Solution

The fourth proportional to 42,717.88, 64,088.34 and 38,605.24 is: 57,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,717.88 : 64,088.34 = 38,605.24 : x
  2. Step 2: Convert to fraction form
    42,717.88/64,088.34 = 38,605.24/x
  3. Step 3: Cross multiply
    42,717.88x = 64,088.34 × 38,605.24
  4. Step 4: Simplify right side
    42,717.88x = 2,474,145,746.90
  5. Step 5: Solve for x
    x = 2,474,145,746.90/42,717.88
  6. Step 6: Final answer
    x = 57,918.27

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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.