Home / 45,033.76-67,220.87-39,713.53

Finding the Fourth Proportional to 45,033.76, 67,220.87 and 39,713.53

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Solution

The fourth proportional to 45,033.76, 67,220.87 and 39,713.53 is: 59,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,033.76 : 67,220.87 = 39,713.53 : x
  2. Step 2: Convert to fraction form
    45,033.76/67,220.87 = 39,713.53/x
  3. Step 3: Cross multiply
    45,033.76x = 67,220.87 × 39,713.53
  4. Step 4: Simplify right side
    45,033.76x = 2,669,578,037.37
  5. Step 5: Solve for x
    x = 2,669,578,037.37/45,033.76
  6. Step 6: Final answer
    x = 59,279.48

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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.