Home / 45,005.40-67,508.10-44,713.80

Finding the Fourth Proportional to 45,005.40, 67,508.10 and 44,713.80

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Solution

The fourth proportional to 45,005.40, 67,508.10 and 44,713.80 is: 67,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,005.40 : 67,508.10 = 44,713.80 : x
  2. Step 2: Convert to fraction form
    45,005.40/67,508.10 = 44,713.80/x
  3. Step 3: Cross multiply
    45,005.40x = 67,508.10 × 44,713.80
  4. Step 4: Simplify right side
    45,005.40x = 3,018,543,681.78
  5. Step 5: Solve for x
    x = 3,018,543,681.78/45,005.40
  6. Step 6: Final answer
    x = 67,070.70

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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.