Home / 45,031.88-67,547.84-11,751.92

Finding the Fourth Proportional to 45,031.88, 67,547.84 and 11,751.92

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Solution

The fourth proportional to 45,031.88, 67,547.84 and 11,751.92 is: 17,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.88 : 67,547.84 = 11,751.92 : x
  2. Step 2: Convert to fraction form
    45,031.88/67,547.84 = 11,751.92/x
  3. Step 3: Cross multiply
    45,031.88x = 67,547.84 × 11,751.92
  4. Step 4: Simplify right side
    45,031.88x = 793,816,811.85
  5. Step 5: Solve for x
    x = 793,816,811.85/45,031.88
  6. Step 6: Final answer
    x = 17,627.89

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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.