Home / 48,070.23-72,117.24-19,981.86

Finding the Fourth Proportional to 48,070.23, 72,117.24 and 19,981.86

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Solution

The fourth proportional to 48,070.23, 72,117.24 and 19,981.86 is: 29,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,070.23 : 72,117.24 = 19,981.86 : x
  2. Step 2: Convert to fraction form
    48,070.23/72,117.24 = 19,981.86/x
  3. Step 3: Cross multiply
    48,070.23x = 72,117.24 × 19,981.86
  4. Step 4: Simplify right side
    48,070.23x = 1,441,036,593.27
  5. Step 5: Solve for x
    x = 1,441,036,593.27/48,070.23
  6. Step 6: Final answer
    x = 29,977.73

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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.