Home / 54,310.77-74,870.37-38,128.82

Finding the Fourth Proportional to 54,310.77, 74,870.37 and 38,128.82

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Solution

The fourth proportional to 54,310.77, 74,870.37 and 38,128.82 is: 52,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.77 : 74,870.37 = 38,128.82 : x
  2. Step 2: Convert to fraction form
    54,310.77/74,870.37 = 38,128.82/x
  3. Step 3: Cross multiply
    54,310.77x = 74,870.37 × 38,128.82
  4. Step 4: Simplify right side
    54,310.77x = 2,854,718,486.71
  5. Step 5: Solve for x
    x = 2,854,718,486.71/54,310.77
  6. Step 6: Final answer
    x = 52,562.66

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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.