Home / 74,824.71-112,239-21,514.53

Finding the Fourth Proportional to 74,824.71, 112,239 and 21,514.53

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Solution

The fourth proportional to 74,824.71, 112,239 and 21,514.53 is: 32,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,824.71 : 112,239 = 21,514.53 : x
  2. Step 2: Convert to fraction form
    74,824.71/112,239 = 21,514.53/x
  3. Step 3: Cross multiply
    74,824.71x = 112,239 × 21,514.53
  4. Step 4: Simplify right side
    74,824.71x = 2,414,769,332.67
  5. Step 5: Solve for x
    x = 2,414,769,332.67/74,824.71
  6. Step 6: Final answer
    x = 32,272.35

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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.