Home / 54,399.16-81,533.13-28,089.55

Finding the Fourth Proportional to 54,399.16, 81,533.13 and 28,089.55

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Solution

The fourth proportional to 54,399.16, 81,533.13 and 28,089.55 is: 42,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,399.16 : 81,533.13 = 28,089.55 : x
  2. Step 2: Convert to fraction form
    54,399.16/81,533.13 = 28,089.55/x
  3. Step 3: Cross multiply
    54,399.16x = 81,533.13 × 28,089.55
  4. Step 4: Simplify right side
    54,399.16x = 2,290,228,931.79
  5. Step 5: Solve for x
    x = 2,290,228,931.79/54,399.16
  6. Step 6: Final answer
    x = 42,100.45

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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.