Home / 56,306.04-77,702.33-30,812.41

Finding the Fourth Proportional to 56,306.04, 77,702.33 and 30,812.41

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Solution

The fourth proportional to 56,306.04, 77,702.33 and 30,812.41 is: 42,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,306.04 : 77,702.33 = 30,812.41 : x
  2. Step 2: Convert to fraction form
    56,306.04/77,702.33 = 30,812.41/x
  3. Step 3: Cross multiply
    56,306.04x = 77,702.33 × 30,812.41
  4. Step 4: Simplify right side
    56,306.04x = 2,394,196,049.92
  5. Step 5: Solve for x
    x = 2,394,196,049.92/56,306.04
  6. Step 6: Final answer
    x = 42,521.12

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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.