Home / 39,449.61-54,404.40-30,836.93

Finding the Fourth Proportional to 39,449.61, 54,404.40 and 30,836.93

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Solution

The fourth proportional to 39,449.61, 54,404.40 and 30,836.93 is: 42,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.61 : 54,404.40 = 30,836.93 : x
  2. Step 2: Convert to fraction form
    39,449.61/54,404.40 = 30,836.93/x
  3. Step 3: Cross multiply
    39,449.61x = 54,404.40 × 30,836.93
  4. Step 4: Simplify right side
    39,449.61x = 1,677,664,810.50
  5. Step 5: Solve for x
    x = 1,677,664,810.50/39,449.61
  6. Step 6: Final answer
    x = 42,526.78

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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.