Home / 45,245.92-67,875.12-15,655.84

Finding the Fourth Proportional to 45,245.92, 67,875.12 and 15,655.84

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Solution

The fourth proportional to 45,245.92, 67,875.12 and 15,655.84 is: 23,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,245.92 : 67,875.12 = 15,655.84 : x
  2. Step 2: Convert to fraction form
    45,245.92/67,875.12 = 15,655.84/x
  3. Step 3: Cross multiply
    45,245.92x = 67,875.12 × 15,655.84
  4. Step 4: Simplify right side
    45,245.92x = 1,062,642,018.70
  5. Step 5: Solve for x
    x = 1,062,642,018.70/45,245.92
  6. Step 6: Final answer
    x = 23,485.92

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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.