Home / 48,318.24-66,681.36-28,175.52

Finding the Fourth Proportional to 48,318.24, 66,681.36 and 28,175.52

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Solution

The fourth proportional to 48,318.24, 66,681.36 and 28,175.52 is: 38,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,318.24 : 66,681.36 = 28,175.52 : x
  2. Step 2: Convert to fraction form
    48,318.24/66,681.36 = 28,175.52/x
  3. Step 3: Cross multiply
    48,318.24x = 66,681.36 × 28,175.52
  4. Step 4: Simplify right side
    48,318.24x = 1,878,781,992.31
  5. Step 5: Solve for x
    x = 1,878,781,992.31/48,318.24
  6. Step 6: Final answer
    x = 38,883.49

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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.