Home / 75,621.68-113,438.82-23,031.62

Finding the Fourth Proportional to 75,621.68, 113,438.82 and 23,031.62

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Solution

The fourth proportional to 75,621.68, 113,438.82 and 23,031.62 is: 34,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.68 : 113,438.82 = 23,031.62 : x
  2. Step 2: Convert to fraction form
    75,621.68/113,438.82 = 23,031.62/x
  3. Step 3: Cross multiply
    75,621.68x = 113,438.82 × 23,031.62
  4. Step 4: Simplify right side
    75,621.68x = 2,612,679,795.49
  5. Step 5: Solve for x
    x = 2,612,679,795.49/75,621.68
  6. Step 6: Final answer
    x = 34,549.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.