Home / 43,654.49-65,426.95-18,665.18

Finding the Fourth Proportional to 43,654.49, 65,426.95 and 18,665.18

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Solution

The fourth proportional to 43,654.49, 65,426.95 and 18,665.18 is: 27,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,654.49 : 65,426.95 = 18,665.18 : x
  2. Step 2: Convert to fraction form
    43,654.49/65,426.95 = 18,665.18/x
  3. Step 3: Cross multiply
    43,654.49x = 65,426.95 × 18,665.18
  4. Step 4: Simplify right side
    43,654.49x = 1,221,205,798.60
  5. Step 5: Solve for x
    x = 1,221,205,798.60/43,654.49
  6. Step 6: Final answer
    x = 27,974.35

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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.