Home / 61,017.29-84,234.44-38,368.76

Finding the Fourth Proportional to 61,017.29, 84,234.44 and 38,368.76

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Solution

The fourth proportional to 61,017.29, 84,234.44 and 38,368.76 is: 52,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,017.29 : 84,234.44 = 38,368.76 : x
  2. Step 2: Convert to fraction form
    61,017.29/84,234.44 = 38,368.76/x
  3. Step 3: Cross multiply
    61,017.29x = 84,234.44 × 38,368.76
  4. Step 4: Simplify right side
    61,017.29x = 3,231,970,686.84
  5. Step 5: Solve for x
    x = 3,231,970,686.84/61,017.29
  6. Step 6: Final answer
    x = 52,968.11

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1.5x scale

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.