Home / 60,785.22-83,817.46-39,525.06

Finding the Fourth Proportional to 60,785.22, 83,817.46 and 39,525.06

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Solution

The fourth proportional to 60,785.22, 83,817.46 and 39,525.06 is: 54,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,785.22 : 83,817.46 = 39,525.06 : x
  2. Step 2: Convert to fraction form
    60,785.22/83,817.46 = 39,525.06/x
  3. Step 3: Cross multiply
    60,785.22x = 83,817.46 × 39,525.06
  4. Step 4: Simplify right side
    60,785.22x = 3,312,890,135.55
  5. Step 5: Solve for x
    x = 3,312,890,135.55/60,785.22
  6. Step 6: Final answer
    x = 54,501.57

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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.