Home / 56,500.26-78,051.36-45,154.86

Finding the Fourth Proportional to 56,500.26, 78,051.36 and 45,154.86

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Solution

The fourth proportional to 56,500.26, 78,051.36 and 45,154.86 is: 62,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,500.26 : 78,051.36 = 45,154.86 : x
  2. Step 2: Convert to fraction form
    56,500.26/78,051.36 = 45,154.86/x
  3. Step 3: Cross multiply
    56,500.26x = 78,051.36 × 45,154.86
  4. Step 4: Simplify right side
    56,500.26x = 3,524,398,233.61
  5. Step 5: Solve for x
    x = 3,524,398,233.61/56,500.26
  6. Step 6: Final answer
    x = 62,378.44

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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.