Home / 56,720.66-78,279.04-32,847.76

Finding the Fourth Proportional to 56,720.66, 78,279.04 and 32,847.76

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Solution

The fourth proportional to 56,720.66, 78,279.04 and 32,847.76 is: 45,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,720.66 : 78,279.04 = 32,847.76 : x
  2. Step 2: Convert to fraction form
    56,720.66/78,279.04 = 32,847.76/x
  3. Step 3: Cross multiply
    56,720.66x = 78,279.04 × 32,847.76
  4. Step 4: Simplify right side
    56,720.66x = 2,571,291,118.95
  5. Step 5: Solve for x
    x = 2,571,291,118.95/56,720.66
  6. Step 6: Final answer
    x = 45,332.53

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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.