Home / 42,919.50-64,304.19-29,780.22

Finding the Fourth Proportional to 42,919.50, 64,304.19 and 29,780.22

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Solution

The fourth proportional to 42,919.50, 64,304.19 and 29,780.22 is: 44,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,919.50 : 64,304.19 = 29,780.22 : x
  2. Step 2: Convert to fraction form
    42,919.50/64,304.19 = 29,780.22/x
  3. Step 3: Cross multiply
    42,919.50x = 64,304.19 × 29,780.22
  4. Step 4: Simplify right side
    42,919.50x = 1,914,992,925.12
  5. Step 5: Solve for x
    x = 1,914,992,925.12/42,919.50
  6. Step 6: Final answer
    x = 44,618.25

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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.