Home / 40,405.15-60,607.65-18,192.57

Finding the Fourth Proportional to 40,405.15, 60,607.65 and 18,192.57

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Solution

The fourth proportional to 40,405.15, 60,607.65 and 18,192.57 is: 27,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,405.15 : 60,607.65 = 18,192.57 : x
  2. Step 2: Convert to fraction form
    40,405.15/60,607.65 = 18,192.57/x
  3. Step 3: Cross multiply
    40,405.15x = 60,607.65 × 18,192.57
  4. Step 4: Simplify right side
    40,405.15x = 1,102,608,915.16
  5. Step 5: Solve for x
    x = 1,102,608,915.16/40,405.15
  6. Step 6: Final answer
    x = 27,288.82

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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.