Home / 43,218.72-59,647.28-25,320.56

Finding the Fourth Proportional to 43,218.72, 59,647.28 and 25,320.56

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Solution

The fourth proportional to 43,218.72, 59,647.28 and 25,320.56 is: 34,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,218.72 : 59,647.28 = 25,320.56 : x
  2. Step 2: Convert to fraction form
    43,218.72/59,647.28 = 25,320.56/x
  3. Step 3: Cross multiply
    43,218.72x = 59,647.28 × 25,320.56
  4. Step 4: Simplify right side
    43,218.72x = 1,510,302,532.08
  5. Step 5: Solve for x
    x = 1,510,302,532.08/43,218.72
  6. Step 6: Final answer
    x = 34,945.56

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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.