Home / 55,892.25-77,131.85-30,742.29

Finding the Fourth Proportional to 55,892.25, 77,131.85 and 30,742.29

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Solution

The fourth proportional to 55,892.25, 77,131.85 and 30,742.29 is: 42,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,892.25 : 77,131.85 = 30,742.29 : x
  2. Step 2: Convert to fraction form
    55,892.25/77,131.85 = 30,742.29/x
  3. Step 3: Cross multiply
    55,892.25x = 77,131.85 × 30,742.29
  4. Step 4: Simplify right side
    55,892.25x = 2,371,209,547.23
  5. Step 5: Solve for x
    x = 2,371,209,547.23/55,892.25
  6. Step 6: Final answer
    x = 42,424.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.