Home / 30,359.31-45,598.98-18,375.68

Finding the Fourth Proportional to 30,359.31, 45,598.98 and 18,375.68

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Solution

The fourth proportional to 30,359.31, 45,598.98 and 18,375.68 is: 27,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.31 : 45,598.98 = 18,375.68 : x
  2. Step 2: Convert to fraction form
    30,359.31/45,598.98 = 18,375.68/x
  3. Step 3: Cross multiply
    30,359.31x = 45,598.98 × 18,375.68
  4. Step 4: Simplify right side
    30,359.31x = 837,912,191.22
  5. Step 5: Solve for x
    x = 837,912,191.22/30,359.31
  6. Step 6: Final answer
    x = 27,599.85

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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.