Home / 49,632.85-74,407.41-21,531.72

Finding the Fourth Proportional to 49,632.85, 74,407.41 and 21,531.72

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Solution

The fourth proportional to 49,632.85, 74,407.41 and 21,531.72 is: 32,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,632.85 : 74,407.41 = 21,531.72 : x
  2. Step 2: Convert to fraction form
    49,632.85/74,407.41 = 21,531.72/x
  3. Step 3: Cross multiply
    49,632.85x = 74,407.41 × 21,531.72
  4. Step 4: Simplify right side
    49,632.85x = 1,602,119,797.07
  5. Step 5: Solve for x
    x = 1,602,119,797.07/49,632.85
  6. Step 6: Final answer
    x = 32,279.42

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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.