Home / 45,144.65-62,268.68-30,972.89

Finding the Fourth Proportional to 45,144.65, 62,268.68 and 30,972.89

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Solution

The fourth proportional to 45,144.65, 62,268.68 and 30,972.89 is: 42,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,144.65 : 62,268.68 = 30,972.89 : x
  2. Step 2: Convert to fraction form
    45,144.65/62,268.68 = 30,972.89/x
  3. Step 3: Cross multiply
    45,144.65x = 62,268.68 × 30,972.89
  4. Step 4: Simplify right side
    45,144.65x = 1,928,641,209.19
  5. Step 5: Solve for x
    x = 1,928,641,209.19/45,144.65
  6. Step 6: Final answer
    x = 42,721.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.