Home / 30,380.40-45,500.13-29,329.16

Finding the Fourth Proportional to 30,380.40, 45,500.13 and 29,329.16

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Solution

The fourth proportional to 30,380.40, 45,500.13 and 29,329.16 is: 43,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380.40 : 45,500.13 = 29,329.16 : x
  2. Step 2: Convert to fraction form
    30,380.40/45,500.13 = 29,329.16/x
  3. Step 3: Cross multiply
    30,380.40x = 45,500.13 × 29,329.16
  4. Step 4: Simplify right side
    30,380.40x = 1,334,480,365.29
  5. Step 5: Solve for x
    x = 1,334,480,365.29/30,380.40
  6. Step 6: Final answer
    x = 43,925.70

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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.