Home / 71,313.48-98,408.86-39,041.92

Finding the Fourth Proportional to 71,313.48, 98,408.86 and 39,041.92

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Solution

The fourth proportional to 71,313.48, 98,408.86 and 39,041.92 is: 53,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,313.48 : 98,408.86 = 39,041.92 : x
  2. Step 2: Convert to fraction form
    71,313.48/98,408.86 = 39,041.92/x
  3. Step 3: Cross multiply
    71,313.48x = 98,408.86 × 39,041.92
  4. Step 4: Simplify right side
    71,313.48x = 3,842,070,839.41
  5. Step 5: Solve for x
    x = 3,842,070,839.41/71,313.48
  6. Step 6: Final answer
    x = 53,875.80

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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.