Home / 42,171.29-63,267.31-29,715.63

Finding the Fourth Proportional to 42,171.29, 63,267.31 and 29,715.63

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Solution

The fourth proportional to 42,171.29, 63,267.31 and 29,715.63 is: 44,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,171.29 : 63,267.31 = 29,715.63 : x
  2. Step 2: Convert to fraction form
    42,171.29/63,267.31 = 29,715.63/x
  3. Step 3: Cross multiply
    42,171.29x = 63,267.31 × 29,715.63
  4. Step 4: Simplify right side
    42,171.29x = 1,880,027,975.06
  5. Step 5: Solve for x
    x = 1,880,027,975.06/42,171.29
  6. Step 6: Final answer
    x = 44,580.76

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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.