Home / 57,116.80-85,675.18-15,563.80

Finding the Fourth Proportional to 57,116.80, 85,675.18 and 15,563.80

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Solution

The fourth proportional to 57,116.80, 85,675.18 and 15,563.80 is: 23,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,116.80 : 85,675.18 = 15,563.80 : x
  2. Step 2: Convert to fraction form
    57,116.80/85,675.18 = 15,563.80/x
  3. Step 3: Cross multiply
    57,116.80x = 85,675.18 × 15,563.80
  4. Step 4: Simplify right side
    57,116.80x = 1,333,431,366.48
  5. Step 5: Solve for x
    x = 1,333,431,366.48/57,116.80
  6. Step 6: Final answer
    x = 23,345.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.