Home / 57,321.14-85,983.65-15,205.47

Finding the Fourth Proportional to 57,321.14, 85,983.65 and 15,205.47

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Solution

The fourth proportional to 57,321.14, 85,983.65 and 15,205.47 is: 22,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321.14 : 85,983.65 = 15,205.47 : x
  2. Step 2: Convert to fraction form
    57,321.14/85,983.65 = 15,205.47/x
  3. Step 3: Cross multiply
    57,321.14x = 85,983.65 × 15,205.47
  4. Step 4: Simplify right side
    57,321.14x = 1,307,421,810.57
  5. Step 5: Solve for x
    x = 1,307,421,810.57/57,321.14
  6. Step 6: Final answer
    x = 22,808.72

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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.