Home / 45,000.12-67,500.18-35,124.60

Finding the Fourth Proportional to 45,000.12, 67,500.18 and 35,124.60

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Solution

The fourth proportional to 45,000.12, 67,500.18 and 35,124.60 is: 52,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,000.12 : 67,500.18 = 35,124.60 : x
  2. Step 2: Convert to fraction form
    45,000.12/67,500.18 = 35,124.60/x
  3. Step 3: Cross multiply
    45,000.12x = 67,500.18 × 35,124.60
  4. Step 4: Simplify right side
    45,000.12x = 2,370,916,822.43
  5. Step 5: Solve for x
    x = 2,370,916,822.43/45,000.12
  6. Step 6: Final answer
    x = 52,686.90

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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.