Home / 42,877.01-64,317.23-11,712.17

Finding the Fourth Proportional to 42,877.01, 64,317.23 and 11,712.17

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Solution

The fourth proportional to 42,877.01, 64,317.23 and 11,712.17 is: 17,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,877.01 : 64,317.23 = 11,712.17 : x
  2. Step 2: Convert to fraction form
    42,877.01/64,317.23 = 11,712.17/x
  3. Step 3: Cross multiply
    42,877.01x = 64,317.23 × 11,712.17
  4. Step 4: Simplify right side
    42,877.01x = 753,294,331.69
  5. Step 5: Solve for x
    x = 753,294,331.69/42,877.01
  6. Step 6: Final answer
    x = 17,568.72

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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.