Home / 40,307.86-60,472.85-12,228.83

Finding the Fourth Proportional to 40,307.86, 60,472.85 and 12,228.83

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Solution

The fourth proportional to 40,307.86, 60,472.85 and 12,228.83 is: 18,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.86 : 60,472.85 = 12,228.83 : x
  2. Step 2: Convert to fraction form
    40,307.86/60,472.85 = 12,228.83/x
  3. Step 3: Cross multiply
    40,307.86x = 60,472.85 × 12,228.83
  4. Step 4: Simplify right side
    40,307.86x = 739,512,202.27
  5. Step 5: Solve for x
    x = 739,512,202.27/40,307.86
  6. Step 6: Final answer
    x = 18,346.60

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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.