Home / 71,040.48-98,039.12-40,835.56

Finding the Fourth Proportional to 71,040.48, 98,039.12 and 40,835.56

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Solution

The fourth proportional to 71,040.48, 98,039.12 and 40,835.56 is: 56,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.48 : 98,039.12 = 40,835.56 : x
  2. Step 2: Convert to fraction form
    71,040.48/98,039.12 = 40,835.56/x
  3. Step 3: Cross multiply
    71,040.48x = 98,039.12 × 40,835.56
  4. Step 4: Simplify right side
    71,040.48x = 4,003,482,367.11
  5. Step 5: Solve for x
    x = 4,003,482,367.11/71,040.48
  6. Step 6: Final answer
    x = 56,354.95

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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.