Home / 30,545.64-42,154.02-29,145.96

Finding the Fourth Proportional to 30,545.64, 42,154.02 and 29,145.96

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Solution

The fourth proportional to 30,545.64, 42,154.02 and 29,145.96 is: 40,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.64 : 42,154.02 = 29,145.96 : x
  2. Step 2: Convert to fraction form
    30,545.64/42,154.02 = 29,145.96/x
  3. Step 3: Cross multiply
    30,545.64x = 42,154.02 × 29,145.96
  4. Step 4: Simplify right side
    30,545.64x = 1,228,619,380.76
  5. Step 5: Solve for x
    x = 1,228,619,380.76/30,545.64
  6. Step 6: Final answer
    x = 40,222.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.