Home / 43,508.48-65,230.80-13,909.28

Finding the Fourth Proportional to 43,508.48, 65,230.80 and 13,909.28

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Solution

The fourth proportional to 43,508.48, 65,230.80 and 13,909.28 is: 20,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508.48 : 65,230.80 = 13,909.28 : x
  2. Step 2: Convert to fraction form
    43,508.48/65,230.80 = 13,909.28/x
  3. Step 3: Cross multiply
    43,508.48x = 65,230.80 × 13,909.28
  4. Step 4: Simplify right side
    43,508.48x = 907,313,461.82
  5. Step 5: Solve for x
    x = 907,313,461.82/43,508.48
  6. Step 6: Final answer
    x = 20,853.72

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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.