Home / 45,344.55-68,017.50-15,763.40

Finding the Fourth Proportional to 45,344.55, 68,017.50 and 15,763.40

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Solution

The fourth proportional to 45,344.55, 68,017.50 and 15,763.40 is: 23,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,344.55 : 68,017.50 = 15,763.40 : x
  2. Step 2: Convert to fraction form
    45,344.55/68,017.50 = 15,763.40/x
  3. Step 3: Cross multiply
    45,344.55x = 68,017.50 × 15,763.40
  4. Step 4: Simplify right side
    45,344.55x = 1,072,186,719.41
  5. Step 5: Solve for x
    x = 1,072,186,719.41/45,344.55
  6. Step 6: Final answer
    x = 23,645.33

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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.