Home / 40,238.10-60,357.16-12,538.26

Finding the Fourth Proportional to 40,238.10, 60,357.16 and 12,538.26

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Solution

The fourth proportional to 40,238.10, 60,357.16 and 12,538.26 is: 18,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,238.10 : 60,357.16 = 12,538.26 : x
  2. Step 2: Convert to fraction form
    40,238.10/60,357.16 = 12,538.26/x
  3. Step 3: Cross multiply
    40,238.10x = 60,357.16 × 12,538.26
  4. Step 4: Simplify right side
    40,238.10x = 756,773,764.94
  5. Step 5: Solve for x
    x = 756,773,764.94/40,238.10
  6. Step 6: Final answer
    x = 18,807.39

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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.