Home / 54,211.57-81,300.93-14,763.55

Finding the Fourth Proportional to 54,211.57, 81,300.93 and 14,763.55

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Solution

The fourth proportional to 54,211.57, 81,300.93 and 14,763.55 is: 22,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,211.57 : 81,300.93 = 14,763.55 : x
  2. Step 2: Convert to fraction form
    54,211.57/81,300.93 = 14,763.55/x
  3. Step 3: Cross multiply
    54,211.57x = 81,300.93 × 14,763.55
  4. Step 4: Simplify right side
    54,211.57x = 1,200,290,345.10
  5. Step 5: Solve for x
    x = 1,200,290,345.10/54,211.57
  6. Step 6: Final answer
    x = 22,140.85

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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.