Home / 53,443.50-80,153.10-20,167.08

Finding the Fourth Proportional to 53,443.50, 80,153.10 and 20,167.08

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Solution

The fourth proportional to 53,443.50, 80,153.10 and 20,167.08 is: 30,246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,443.50 : 80,153.10 = 20,167.08 : x
  2. Step 2: Convert to fraction form
    53,443.50/80,153.10 = 20,167.08/x
  3. Step 3: Cross multiply
    53,443.50x = 80,153.10 × 20,167.08
  4. Step 4: Simplify right side
    53,443.50x = 1,616,453,979.95
  5. Step 5: Solve for x
    x = 1,616,453,979.95/53,443.50
  6. Step 6: Final answer
    x = 30,246.04

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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.