Home / 61,433.04-84,781.80-34,578.12

Finding the Fourth Proportional to 61,433.04, 84,781.80 and 34,578.12

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Solution

The fourth proportional to 61,433.04, 84,781.80 and 34,578.12 is: 47,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,433.04 : 84,781.80 = 34,578.12 : x
  2. Step 2: Convert to fraction form
    61,433.04/84,781.80 = 34,578.12/x
  3. Step 3: Cross multiply
    61,433.04x = 84,781.80 × 34,578.12
  4. Step 4: Simplify right side
    61,433.04x = 2,931,595,254.22
  5. Step 5: Solve for x
    x = 2,931,595,254.22/61,433.04
  6. Step 6: Final answer
    x = 47,720.17

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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.