Home / 40,177.40-60,266.10-12,475.40

Finding the Fourth Proportional to 40,177.40, 60,266.10 and 12,475.40

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Solution

The fourth proportional to 40,177.40, 60,266.10 and 12,475.40 is: 18,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.40 : 60,266.10 = 12,475.40 : x
  2. Step 2: Convert to fraction form
    40,177.40/60,266.10 = 12,475.40/x
  3. Step 3: Cross multiply
    40,177.40x = 60,266.10 × 12,475.40
  4. Step 4: Simplify right side
    40,177.40x = 751,843,703.94
  5. Step 5: Solve for x
    x = 751,843,703.94/40,177.40
  6. Step 6: Final answer
    x = 18,713.10

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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.