Home / 54,017.06-74,543.43-30,142.31

Finding the Fourth Proportional to 54,017.06, 74,543.43 and 30,142.31

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Solution

The fourth proportional to 54,017.06, 74,543.43 and 30,142.31 is: 41,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,017.06 : 74,543.43 = 30,142.31 : x
  2. Step 2: Convert to fraction form
    54,017.06/74,543.43 = 30,142.31/x
  3. Step 3: Cross multiply
    54,017.06x = 74,543.43 × 30,142.31
  4. Step 4: Simplify right side
    54,017.06x = 2,246,911,175.52
  5. Step 5: Solve for x
    x = 2,246,911,175.52/54,017.06
  6. Step 6: Final answer
    x = 41,596.32

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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.