Home / 38,270.32-57,410.64-13,307.13

Finding the Fourth Proportional to 38,270.32, 57,410.64 and 13,307.13

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Solution

The fourth proportional to 38,270.32, 57,410.64 and 13,307.13 is: 19,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,270.32 : 57,410.64 = 13,307.13 : x
  2. Step 2: Convert to fraction form
    38,270.32/57,410.64 = 13,307.13/x
  3. Step 3: Cross multiply
    38,270.32x = 57,410.64 × 13,307.13
  4. Step 4: Simplify right side
    38,270.32x = 763,970,849.86
  5. Step 5: Solve for x
    x = 763,970,849.86/38,270.32
  6. Step 6: Final answer
    x = 19,962.49

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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.