Home / 42,248.76-63,383.13-13,785.56

Finding the Fourth Proportional to 42,248.76, 63,383.13 and 13,785.56

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Solution

The fourth proportional to 42,248.76, 63,383.13 and 13,785.56 is: 20,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,248.76 : 63,383.13 = 13,785.56 : x
  2. Step 2: Convert to fraction form
    42,248.76/63,383.13 = 13,785.56/x
  3. Step 3: Cross multiply
    42,248.76x = 63,383.13 × 13,785.56
  4. Step 4: Simplify right side
    42,248.76x = 873,771,941.60
  5. Step 5: Solve for x
    x = 873,771,941.60/42,248.76
  6. Step 6: Final answer
    x = 20,681.60

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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.