Home / 71,599.32-98,808.42-39,771.18

Finding the Fourth Proportional to 71,599.32, 98,808.42 and 39,771.18

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Solution

The fourth proportional to 71,599.32, 98,808.42 and 39,771.18 is: 54,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,599.32 : 98,808.42 = 39,771.18 : x
  2. Step 2: Convert to fraction form
    71,599.32/98,808.42 = 39,771.18/x
  3. Step 3: Cross multiply
    71,599.32x = 98,808.42 × 39,771.18
  4. Step 4: Simplify right side
    71,599.32x = 3,929,727,457.34
  5. Step 5: Solve for x
    x = 3,929,727,457.34/71,599.32
  6. Step 6: Final answer
    x = 54,884.98

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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.