Home / 71,926.96-99,255.48-39,666.88

Finding the Fourth Proportional to 71,926.96, 99,255.48 and 39,666.88

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Solution

The fourth proportional to 71,926.96, 99,255.48 and 39,666.88 is: 54,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,926.96 : 99,255.48 = 39,666.88 : x
  2. Step 2: Convert to fraction form
    71,926.96/99,255.48 = 39,666.88/x
  3. Step 3: Cross multiply
    71,926.96x = 99,255.48 × 39,666.88
  4. Step 4: Simplify right side
    71,926.96x = 3,937,155,214.50
  5. Step 5: Solve for x
    x = 3,937,155,214.50/71,926.96
  6. Step 6: Final answer
    x = 54,738.24

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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.