Home / 55,918.60-77,167.02-41,642.32

Finding the Fourth Proportional to 55,918.60, 77,167.02 and 41,642.32

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Solution

The fourth proportional to 55,918.60, 77,167.02 and 41,642.32 is: 57,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,918.60 : 77,167.02 = 41,642.32 : x
  2. Step 2: Convert to fraction form
    55,918.60/77,167.02 = 41,642.32/x
  3. Step 3: Cross multiply
    55,918.60x = 77,167.02 × 41,642.32
  4. Step 4: Simplify right side
    55,918.60x = 3,213,413,740.29
  5. Step 5: Solve for x
    x = 3,213,413,740.29/55,918.60
  6. Step 6: Final answer
    x = 57,465.92

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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.