Home / 43,782.11-65,643.17-15,701.57

Finding the Fourth Proportional to 43,782.11, 65,643.17 and 15,701.57

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Solution

The fourth proportional to 43,782.11, 65,643.17 and 15,701.57 is: 23,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.11 : 65,643.17 = 15,701.57 : x
  2. Step 2: Convert to fraction form
    43,782.11/65,643.17 = 15,701.57/x
  3. Step 3: Cross multiply
    43,782.11x = 65,643.17 × 15,701.57
  4. Step 4: Simplify right side
    43,782.11x = 1,030,700,828.78
  5. Step 5: Solve for x
    x = 1,030,700,828.78/43,782.11
  6. Step 6: Final answer
    x = 23,541.60

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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.