Home / 49,139.61-67,812.66-27,918.90

Finding the Fourth Proportional to 49,139.61, 67,812.66 and 27,918.90

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Solution

The fourth proportional to 49,139.61, 67,812.66 and 27,918.90 is: 38,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,139.61 : 67,812.66 = 27,918.90 : x
  2. Step 2: Convert to fraction form
    49,139.61/67,812.66 = 27,918.90/x
  3. Step 3: Cross multiply
    49,139.61x = 67,812.66 × 27,918.90
  4. Step 4: Simplify right side
    49,139.61x = 1,893,254,873.27
  5. Step 5: Solve for x
    x = 1,893,254,873.27/49,139.61
  6. Step 6: Final answer
    x = 38,528.08

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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.