Home / 72,023.46-108,039.24-19,437.05

Finding the Fourth Proportional to 72,023.46, 108,039.24 and 19,437.05

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Solution

The fourth proportional to 72,023.46, 108,039.24 and 19,437.05 is: 29,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,023.46 : 108,039.24 = 19,437.05 : x
  2. Step 2: Convert to fraction form
    72,023.46/108,039.24 = 19,437.05/x
  3. Step 3: Cross multiply
    72,023.46x = 108,039.24 × 19,437.05
  4. Step 4: Simplify right side
    72,023.46x = 2,099,963,569.65
  5. Step 5: Solve for x
    x = 2,099,963,569.65/72,023.46
  6. Step 6: Final answer
    x = 29,156.66

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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.