Home / 43,809.12-65,745.36-17,521.20

Finding the Fourth Proportional to 43,809.12, 65,745.36 and 17,521.20

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Solution

The fourth proportional to 43,809.12, 65,745.36 and 17,521.20 is: 26,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,809.12 : 65,745.36 = 17,521.20 : x
  2. Step 2: Convert to fraction form
    43,809.12/65,745.36 = 17,521.20/x
  3. Step 3: Cross multiply
    43,809.12x = 65,745.36 × 17,521.20
  4. Step 4: Simplify right side
    43,809.12x = 1,151,937,601.63
  5. Step 5: Solve for x
    x = 1,151,937,601.63/43,809.12
  6. Step 6: Final answer
    x = 26,294.47

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1.5x scale

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.