Home / 42,022.60-57,990.33-23,159.72

Finding the Fourth Proportional to 42,022.60, 57,990.33 and 23,159.72

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Solution

The fourth proportional to 42,022.60, 57,990.33 and 23,159.72 is: 31,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022.60 : 57,990.33 = 23,159.72 : x
  2. Step 2: Convert to fraction form
    42,022.60/57,990.33 = 23,159.72/x
  3. Step 3: Cross multiply
    42,022.60x = 57,990.33 × 23,159.72
  4. Step 4: Simplify right side
    42,022.60x = 1,343,039,805.51
  5. Step 5: Solve for x
    x = 1,343,039,805.51/42,022.60
  6. Step 6: Final answer
    x = 31,959.94

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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.