Home / 45,031.65-67,556.52-13,442.19

Finding the Fourth Proportional to 45,031.65, 67,556.52 and 13,442.19

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Solution

The fourth proportional to 45,031.65, 67,556.52 and 13,442.19 is: 20,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.65 : 67,556.52 = 13,442.19 : x
  2. Step 2: Convert to fraction form
    45,031.65/67,556.52 = 13,442.19/x
  3. Step 3: Cross multiply
    45,031.65x = 67,556.52 × 13,442.19
  4. Step 4: Simplify right side
    45,031.65x = 908,107,577.58
  5. Step 5: Solve for x
    x = 908,107,577.58/45,031.65
  6. Step 6: Final answer
    x = 20,165.98

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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.