Home / 54,541.55-75,264.59-30,666.80

Finding the Fourth Proportional to 54,541.55, 75,264.59 and 30,666.80

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Solution

The fourth proportional to 54,541.55, 75,264.59 and 30,666.80 is: 42,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.55 : 75,264.59 = 30,666.80 : x
  2. Step 2: Convert to fraction form
    54,541.55/75,264.59 = 30,666.80/x
  3. Step 3: Cross multiply
    54,541.55x = 75,264.59 × 30,666.80
  4. Step 4: Simplify right side
    54,541.55x = 2,308,124,393.44
  5. Step 5: Solve for x
    x = 2,308,124,393.44/54,541.55
  6. Step 6: Final answer
    x = 42,318.64

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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.