Home / 45,113.49-62,284.88-28,987.34

Finding the Fourth Proportional to 45,113.49, 62,284.88 and 28,987.34

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Solution

The fourth proportional to 45,113.49, 62,284.88 and 28,987.34 is: 40,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,113.49 : 62,284.88 = 28,987.34 : x
  2. Step 2: Convert to fraction form
    45,113.49/62,284.88 = 28,987.34/x
  3. Step 3: Cross multiply
    45,113.49x = 62,284.88 × 28,987.34
  4. Step 4: Simplify right side
    45,113.49x = 1,805,472,754.46
  5. Step 5: Solve for x
    x = 1,805,472,754.46/45,113.49
  6. Step 6: Final answer
    x = 40,020.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.