Home / 42,781.10-64,177.99-14,708.39

Finding the Fourth Proportional to 42,781.10, 64,177.99 and 14,708.39

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Solution

The fourth proportional to 42,781.10, 64,177.99 and 14,708.39 is: 22,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781.10 : 64,177.99 = 14,708.39 : x
  2. Step 2: Convert to fraction form
    42,781.10/64,177.99 = 14,708.39/x
  3. Step 3: Cross multiply
    42,781.10x = 64,177.99 × 14,708.39
  4. Step 4: Simplify right side
    42,781.10x = 943,954,548.68
  5. Step 5: Solve for x
    x = 943,954,548.68/42,781.10
  6. Step 6: Final answer
    x = 22,064.76

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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.