Home / 43,488.19-65,238.36-13,895.92

Finding the Fourth Proportional to 43,488.19, 65,238.36 and 13,895.92

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Solution

The fourth proportional to 43,488.19, 65,238.36 and 13,895.92 is: 20,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,488.19 : 65,238.36 = 13,895.92 : x
  2. Step 2: Convert to fraction form
    43,488.19/65,238.36 = 13,895.92/x
  3. Step 3: Cross multiply
    43,488.19x = 65,238.36 × 13,895.92
  4. Step 4: Simplify right side
    43,488.19x = 906,547,031.49
  5. Step 5: Solve for x
    x = 906,547,031.49/43,488.19
  6. Step 6: Final answer
    x = 20,845.82

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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.