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Finding the Fourth Proportional to 34,507.59, 47,622.23 and 19,402.71

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Solution

The fourth proportional to 34,507.59, 47,622.23 and 19,402.71 is: 26,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,507.59 : 47,622.23 = 19,402.71 : x
  2. Step 2: Convert to fraction form
    34,507.59/47,622.23 = 19,402.71/x
  3. Step 3: Cross multiply
    34,507.59x = 47,622.23 × 19,402.71
  4. Step 4: Simplify right side
    34,507.59x = 924,000,318.24
  5. Step 5: Solve for x
    x = 924,000,318.24/34,507.59
  6. Step 6: Final answer
    x = 26,776.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.