Home / 60,720.22-83,765.30-39,491.74

Finding the Fourth Proportional to 60,720.22, 83,765.30 and 39,491.74

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Solution

The fourth proportional to 60,720.22, 83,765.30 and 39,491.74 is: 54,480.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.22 : 83,765.30 = 39,491.74 : x
  2. Step 2: Convert to fraction form
    60,720.22/83,765.30 = 39,491.74/x
  3. Step 3: Cross multiply
    60,720.22x = 83,765.30 × 39,491.74
  4. Step 4: Simplify right side
    60,720.22x = 3,308,037,029.80
  5. Step 5: Solve for x
    x = 3,308,037,029.80/60,720.22
  6. Step 6: Final answer
    x = 54,480.00

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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.