Home / 56,118.85-77,445.65-30,626.86

Finding the Fourth Proportional to 56,118.85, 77,445.65 and 30,626.86

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Solution

The fourth proportional to 56,118.85, 77,445.65 and 30,626.86 is: 42,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,118.85 : 77,445.65 = 30,626.86 : x
  2. Step 2: Convert to fraction form
    56,118.85/77,445.65 = 30,626.86/x
  3. Step 3: Cross multiply
    56,118.85x = 77,445.65 × 30,626.86
  4. Step 4: Simplify right side
    56,118.85x = 2,371,916,855.44
  5. Step 5: Solve for x
    x = 2,371,916,855.44/56,118.85
  6. Step 6: Final answer
    x = 42,265.95

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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.