Home / 71,492.07-107,238.86-21,572.60

Finding the Fourth Proportional to 71,492.07, 107,238.86 and 21,572.60

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Solution

The fourth proportional to 71,492.07, 107,238.86 and 21,572.60 is: 32,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,492.07 : 107,238.86 = 21,572.60 : x
  2. Step 2: Convert to fraction form
    71,492.07/107,238.86 = 21,572.60/x
  3. Step 3: Cross multiply
    71,492.07x = 107,238.86 × 21,572.60
  4. Step 4: Simplify right side
    71,492.07x = 2,313,421,433.58
  5. Step 5: Solve for x
    x = 2,313,421,433.58/71,492.07
  6. Step 6: Final answer
    x = 32,359.13

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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.