Home / 47,638.55-71,442.84-17,239.76

Finding the Fourth Proportional to 47,638.55, 71,442.84 and 17,239.76

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Solution

The fourth proportional to 47,638.55, 71,442.84 and 17,239.76 is: 25,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.55 : 71,442.84 = 17,239.76 : x
  2. Step 2: Convert to fraction form
    47,638.55/71,442.84 = 17,239.76/x
  3. Step 3: Cross multiply
    47,638.55x = 71,442.84 × 17,239.76
  4. Step 4: Simplify right side
    47,638.55x = 1,231,657,415.32
  5. Step 5: Solve for x
    x = 1,231,657,415.32/47,638.55
  6. Step 6: Final answer
    x = 25,854.22

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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.