Home / 61,017.52-84,209.40-34,159.60

Finding the Fourth Proportional to 61,017.52, 84,209.40 and 34,159.60

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Solution

The fourth proportional to 61,017.52, 84,209.40 and 34,159.60 is: 47,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,017.52 : 84,209.40 = 34,159.60 : x
  2. Step 2: Convert to fraction form
    61,017.52/84,209.40 = 34,159.60/x
  3. Step 3: Cross multiply
    61,017.52x = 84,209.40 × 34,159.60
  4. Step 4: Simplify right side
    61,017.52x = 2,876,559,420.24
  5. Step 5: Solve for x
    x = 2,876,559,420.24/61,017.52
  6. Step 6: Final answer
    x = 47,143.17

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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.