Home / 56,641.32-78,149.70-36,481.68

Finding the Fourth Proportional to 56,641.32, 78,149.70 and 36,481.68

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Solution

The fourth proportional to 56,641.32, 78,149.70 and 36,481.68 is: 50,334.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,641.32 : 78,149.70 = 36,481.68 : x
  2. Step 2: Convert to fraction form
    56,641.32/78,149.70 = 36,481.68/x
  3. Step 3: Cross multiply
    56,641.32x = 78,149.70 × 36,481.68
  4. Step 4: Simplify right side
    56,641.32x = 2,851,032,347.50
  5. Step 5: Solve for x
    x = 2,851,032,347.50/56,641.32
  6. Step 6: Final answer
    x = 50,334.85

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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.