Home / 72,026.76-108,040.14-19,436.24

Finding the Fourth Proportional to 72,026.76, 108,040.14 and 19,436.24

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Solution

The fourth proportional to 72,026.76, 108,040.14 and 19,436.24 is: 29,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,026.76 : 108,040.14 = 19,436.24 : x
  2. Step 2: Convert to fraction form
    72,026.76/108,040.14 = 19,436.24/x
  3. Step 3: Cross multiply
    72,026.76x = 108,040.14 × 19,436.24
  4. Step 4: Simplify right side
    72,026.76x = 2,099,894,090.67
  5. Step 5: Solve for x
    x = 2,099,894,090.67/72,026.76
  6. Step 6: Final answer
    x = 29,154.36

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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.