Home / 43,695.36-65,545.92-12,530.88

Finding the Fourth Proportional to 43,695.36, 65,545.92 and 12,530.88

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Solution

The fourth proportional to 43,695.36, 65,545.92 and 12,530.88 is: 18,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,695.36 : 65,545.92 = 12,530.88 : x
  2. Step 2: Convert to fraction form
    43,695.36/65,545.92 = 12,530.88/x
  3. Step 3: Cross multiply
    43,695.36x = 65,545.92 × 12,530.88
  4. Step 4: Simplify right side
    43,695.36x = 821,348,058.01
  5. Step 5: Solve for x
    x = 821,348,058.01/43,695.36
  6. Step 6: Final answer
    x = 18,797.15

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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.