Home / 42,840-59,121.36-26,074.08

Finding the Fourth Proportional to 42,840, 59,121.36 and 26,074.08

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Solution

The fourth proportional to 42,840, 59,121.36 and 26,074.08 is: 35,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,840 : 59,121.36 = 26,074.08 : x
  2. Step 2: Convert to fraction form
    42,840/59,121.36 = 26,074.08/x
  3. Step 3: Cross multiply
    42,840x = 59,121.36 × 26,074.08
  4. Step 4: Simplify right side
    42,840x = 1,541,535,070.35
  5. Step 5: Solve for x
    x = 1,541,535,070.35/42,840
  6. Step 6: Final answer
    x = 35,983.55

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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.