Home / 34,061.45-47,006.13-20,625.11

Finding the Fourth Proportional to 34,061.45, 47,006.13 and 20,625.11

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Solution

The fourth proportional to 34,061.45, 47,006.13 and 20,625.11 is: 28,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,061.45 : 47,006.13 = 20,625.11 : x
  2. Step 2: Convert to fraction form
    34,061.45/47,006.13 = 20,625.11/x
  3. Step 3: Cross multiply
    34,061.45x = 47,006.13 × 20,625.11
  4. Step 4: Simplify right side
    34,061.45x = 969,506,601.92
  5. Step 5: Solve for x
    x = 969,506,601.92/34,061.45
  6. Step 6: Final answer
    x = 28,463.46

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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.