Home / 71,316.59-98,416.85-39,487.50

Finding the Fourth Proportional to 71,316.59, 98,416.85 and 39,487.50

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Solution

The fourth proportional to 71,316.59, 98,416.85 and 39,487.50 is: 54,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,316.59 : 98,416.85 = 39,487.50 : x
  2. Step 2: Convert to fraction form
    71,316.59/98,416.85 = 39,487.50/x
  3. Step 3: Cross multiply
    71,316.59x = 98,416.85 × 39,487.50
  4. Step 4: Simplify right side
    71,316.59x = 3,886,235,166.94
  5. Step 5: Solve for x
    x = 3,886,235,166.94/71,316.59
  6. Step 6: Final answer
    x = 54,492.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.