Home / 45,031.01-67,216.77-39,710.78

Finding the Fourth Proportional to 45,031.01, 67,216.77 and 39,710.78

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Solution

The fourth proportional to 45,031.01, 67,216.77 and 39,710.78 is: 59,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.01 : 67,216.77 = 39,710.78 : x
  2. Step 2: Convert to fraction form
    45,031.01/67,216.77 = 39,710.78/x
  3. Step 3: Cross multiply
    45,031.01x = 67,216.77 × 39,710.78
  4. Step 4: Simplify right side
    45,031.01x = 2,669,230,029.70
  5. Step 5: Solve for x
    x = 2,669,230,029.70/45,031.01
  6. Step 6: Final answer
    x = 59,275.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.