Home / 45,854.19-68,781.38-12,574.71

Finding the Fourth Proportional to 45,854.19, 68,781.38 and 12,574.71

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Solution

The fourth proportional to 45,854.19, 68,781.38 and 12,574.71 is: 18,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,854.19 : 68,781.38 = 12,574.71 : x
  2. Step 2: Convert to fraction form
    45,854.19/68,781.38 = 12,574.71/x
  3. Step 3: Cross multiply
    45,854.19x = 68,781.38 × 12,574.71
  4. Step 4: Simplify right side
    45,854.19x = 864,905,844.03
  5. Step 5: Solve for x
    x = 864,905,844.03/45,854.19
  6. Step 6: Final answer
    x = 18,862.09

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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.