Home / 34,248.38-47,264.56-20,817.45

Finding the Fourth Proportional to 34,248.38, 47,264.56 and 20,817.45

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Solution

The fourth proportional to 34,248.38, 47,264.56 and 20,817.45 is: 28,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,248.38 : 47,264.56 = 20,817.45 : x
  2. Step 2: Convert to fraction form
    34,248.38/47,264.56 = 20,817.45/x
  3. Step 3: Cross multiply
    34,248.38x = 47,264.56 × 20,817.45
  4. Step 4: Simplify right side
    34,248.38x = 983,927,562.53
  5. Step 5: Solve for x
    x = 983,927,562.53/34,248.38
  6. Step 6: Final answer
    x = 28,729.18

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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.