Home / 54,395.16-81,527.13-28,085.55

Finding the Fourth Proportional to 54,395.16, 81,527.13 and 28,085.55

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Solution

The fourth proportional to 54,395.16, 81,527.13 and 28,085.55 is: 42,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,395.16 : 81,527.13 = 28,085.55 : x
  2. Step 2: Convert to fraction form
    54,395.16/81,527.13 = 28,085.55/x
  3. Step 3: Cross multiply
    54,395.16x = 81,527.13 × 28,085.55
  4. Step 4: Simplify right side
    54,395.16x = 2,289,734,285.97
  5. Step 5: Solve for x
    x = 2,289,734,285.97/54,395.16
  6. Step 6: Final answer
    x = 42,094.45

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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.