Home / 40,538.10-60,807.15-12,836.10

Finding the Fourth Proportional to 40,538.10, 60,807.15 and 12,836.10

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Solution

The fourth proportional to 40,538.10, 60,807.15 and 12,836.10 is: 19,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,538.10 : 60,807.15 = 12,836.10 : x
  2. Step 2: Convert to fraction form
    40,538.10/60,807.15 = 12,836.10/x
  3. Step 3: Cross multiply
    40,538.10x = 60,807.15 × 12,836.10
  4. Step 4: Simplify right side
    40,538.10x = 780,526,658.12
  5. Step 5: Solve for x
    x = 780,526,658.12/40,538.10
  6. Step 6: Final answer
    x = 19,254.15

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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.