Home / 34,432.34-47,517.58-21,000.52

Finding the Fourth Proportional to 34,432.34, 47,517.58 and 21,000.52

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Solution

The fourth proportional to 34,432.34, 47,517.58 and 21,000.52 is: 28,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,432.34 : 47,517.58 = 21,000.52 : x
  2. Step 2: Convert to fraction form
    34,432.34/47,517.58 = 21,000.52/x
  3. Step 3: Cross multiply
    34,432.34x = 47,517.58 × 21,000.52
  4. Step 4: Simplify right side
    34,432.34x = 997,893,889.14
  5. Step 5: Solve for x
    x = 997,893,889.14/34,432.34
  6. Step 6: Final answer
    x = 28,981.30

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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.