Home / 48,037.32-72,051.12-12,972.96

Finding the Fourth Proportional to 48,037.32, 72,051.12 and 12,972.96

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Solution

The fourth proportional to 48,037.32, 72,051.12 and 12,972.96 is: 19,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,037.32 : 72,051.12 = 12,972.96 : x
  2. Step 2: Convert to fraction form
    48,037.32/72,051.12 = 12,972.96/x
  3. Step 3: Cross multiply
    48,037.32x = 72,051.12 × 12,972.96
  4. Step 4: Simplify right side
    48,037.32x = 934,716,297.72
  5. Step 5: Solve for x
    x = 934,716,297.72/48,037.32
  6. Step 6: Final answer
    x = 19,458.13

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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.