Home / 61,821.40-85,312.52-34,962.90

Finding the Fourth Proportional to 61,821.40, 85,312.52 and 34,962.90

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Solution

The fourth proportional to 61,821.40, 85,312.52 and 34,962.90 is: 48,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,821.40 : 85,312.52 = 34,962.90 : x
  2. Step 2: Convert to fraction form
    61,821.40/85,312.52 = 34,962.90/x
  3. Step 3: Cross multiply
    61,821.40x = 85,312.52 × 34,962.90
  4. Step 4: Simplify right side
    61,821.40x = 2,982,772,504.13
  5. Step 5: Solve for x
    x = 2,982,772,504.13/61,821.40
  6. Step 6: Final answer
    x = 48,248.22

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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.