Home / 45,031.30-67,472.96-15,432.98

Finding the Fourth Proportional to 45,031.30, 67,472.96 and 15,432.98

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Solution

The fourth proportional to 45,031.30, 67,472.96 and 15,432.98 is: 23,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.30 : 67,472.96 = 15,432.98 : x
  2. Step 2: Convert to fraction form
    45,031.30/67,472.96 = 15,432.98/x
  3. Step 3: Cross multiply
    45,031.30x = 67,472.96 × 15,432.98
  4. Step 4: Simplify right side
    45,031.30x = 1,041,308,427.69
  5. Step 5: Solve for x
    x = 1,041,308,427.69/45,031.30
  6. Step 6: Final answer
    x = 23,124.10

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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.