Home / 32,130.78-48,186.80-12,404.72

Finding the Fourth Proportional to 32,130.78, 48,186.80 and 12,404.72

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Solution

The fourth proportional to 32,130.78, 48,186.80 and 12,404.72 is: 18,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.78 : 48,186.80 = 12,404.72 : x
  2. Step 2: Convert to fraction form
    32,130.78/48,186.80 = 12,404.72/x
  3. Step 3: Cross multiply
    32,130.78x = 48,186.80 × 12,404.72
  4. Step 4: Simplify right side
    32,130.78x = 597,743,761.70
  5. Step 5: Solve for x
    x = 597,743,761.70/32,130.78
  6. Step 6: Final answer
    x = 18,603.46

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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.