Home / 43,567.97-65,345.76-13,981.98

Finding the Fourth Proportional to 43,567.97, 65,345.76 and 13,981.98

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Solution

The fourth proportional to 43,567.97, 65,345.76 and 13,981.98 is: 20,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,567.97 : 65,345.76 = 13,981.98 : x
  2. Step 2: Convert to fraction form
    43,567.97/65,345.76 = 13,981.98/x
  3. Step 3: Cross multiply
    43,567.97x = 65,345.76 × 13,981.98
  4. Step 4: Simplify right side
    43,567.97x = 913,663,109.40
  5. Step 5: Solve for x
    x = 913,663,109.40/43,567.97
  6. Step 6: Final answer
    x = 20,970.98

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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.