Home / 40,729.47-61,091.95-11,145.19

Finding the Fourth Proportional to 40,729.47, 61,091.95 and 11,145.19

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Solution

The fourth proportional to 40,729.47, 61,091.95 and 11,145.19 is: 16,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.47 : 61,091.95 = 11,145.19 : x
  2. Step 2: Convert to fraction form
    40,729.47/61,091.95 = 11,145.19/x
  3. Step 3: Cross multiply
    40,729.47x = 61,091.95 × 11,145.19
  4. Step 4: Simplify right side
    40,729.47x = 680,881,084.76
  5. Step 5: Solve for x
    x = 680,881,084.76/40,729.47
  6. Step 6: Final answer
    x = 16,717.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.