Home / 34,732.32-47,931.47-21,295.77

Finding the Fourth Proportional to 34,732.32, 47,931.47 and 21,295.77

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Solution

The fourth proportional to 34,732.32, 47,931.47 and 21,295.77 is: 29,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,732.32 : 47,931.47 = 21,295.77 : x
  2. Step 2: Convert to fraction form
    34,732.32/47,931.47 = 21,295.77/x
  3. Step 3: Cross multiply
    34,732.32x = 47,931.47 × 21,295.77
  4. Step 4: Simplify right side
    34,732.32x = 1,020,737,560.88
  5. Step 5: Solve for x
    x = 1,020,737,560.88/34,732.32
  6. Step 6: Final answer
    x = 29,388.70

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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.