Home / 40,238.48-60,394.98-20,531.72

Finding the Fourth Proportional to 40,238.48, 60,394.98 and 20,531.72

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Solution

The fourth proportional to 40,238.48, 60,394.98 and 20,531.72 is: 30,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,238.48 : 60,394.98 = 20,531.72 : x
  2. Step 2: Convert to fraction form
    40,238.48/60,394.98 = 20,531.72/x
  3. Step 3: Cross multiply
    40,238.48x = 60,394.98 × 20,531.72
  4. Step 4: Simplify right side
    40,238.48x = 1,240,012,818.77
  5. Step 5: Solve for x
    x = 1,240,012,818.77/40,238.48
  6. Step 6: Final answer
    x = 30,816.59

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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.