Home / 48,030.15-72,035.51-12,961.61

Finding the Fourth Proportional to 48,030.15, 72,035.51 and 12,961.61

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Solution

The fourth proportional to 48,030.15, 72,035.51 and 12,961.61 is: 19,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,030.15 : 72,035.51 = 12,961.61 : x
  2. Step 2: Convert to fraction form
    48,030.15/72,035.51 = 12,961.61/x
  3. Step 3: Cross multiply
    48,030.15x = 72,035.51 × 12,961.61
  4. Step 4: Simplify right side
    48,030.15x = 933,696,186.77
  5. Step 5: Solve for x
    x = 933,696,186.77/48,030.15
  6. Step 6: Final answer
    x = 19,439.79

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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.