Home / 40,870.17-61,305.39-11,287.35

Finding the Fourth Proportional to 40,870.17, 61,305.39 and 11,287.35

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Solution

The fourth proportional to 40,870.17, 61,305.39 and 11,287.35 is: 16,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,870.17 : 61,305.39 = 11,287.35 : x
  2. Step 2: Convert to fraction form
    40,870.17/61,305.39 = 11,287.35/x
  3. Step 3: Cross multiply
    40,870.17x = 61,305.39 × 11,287.35
  4. Step 4: Simplify right side
    40,870.17x = 691,975,393.82
  5. Step 5: Solve for x
    x = 691,975,393.82/40,870.17
  6. Step 6: Final answer
    x = 16,931.06

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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.