Home / 43,681.15-65,521.72-17,386.12

Finding the Fourth Proportional to 43,681.15, 65,521.72 and 17,386.12

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Solution

The fourth proportional to 43,681.15, 65,521.72 and 17,386.12 is: 26,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,681.15 : 65,521.72 = 17,386.12 : x
  2. Step 2: Convert to fraction form
    43,681.15/65,521.72 = 17,386.12/x
  3. Step 3: Cross multiply
    43,681.15x = 65,521.72 × 17,386.12
  4. Step 4: Simplify right side
    43,681.15x = 1,139,168,158.92
  5. Step 5: Solve for x
    x = 1,139,168,158.92/43,681.15
  6. Step 6: Final answer
    x = 26,079.17

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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.