Home / 54,655.61-75,424.98-30,782.70

Finding the Fourth Proportional to 54,655.61, 75,424.98 and 30,782.70

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Solution

The fourth proportional to 54,655.61, 75,424.98 and 30,782.70 is: 42,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,655.61 : 75,424.98 = 30,782.70 : x
  2. Step 2: Convert to fraction form
    54,655.61/75,424.98 = 30,782.70/x
  3. Step 3: Cross multiply
    54,655.61x = 75,424.98 × 30,782.70
  4. Step 4: Simplify right side
    54,655.61x = 2,321,784,531.85
  5. Step 5: Solve for x
    x = 2,321,784,531.85/54,655.61
  6. Step 6: Final answer
    x = 42,480.26

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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.