Home / 34,585.02-47,727.76-20,253.78

Finding the Fourth Proportional to 34,585.02, 47,727.76 and 20,253.78

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Solution

The fourth proportional to 34,585.02, 47,727.76 and 20,253.78 is: 27,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,585.02 : 47,727.76 = 20,253.78 : x
  2. Step 2: Convert to fraction form
    34,585.02/47,727.76 = 20,253.78/x
  3. Step 3: Cross multiply
    34,585.02x = 47,727.76 × 20,253.78
  4. Step 4: Simplify right side
    34,585.02x = 966,667,550.93
  5. Step 5: Solve for x
    x = 966,667,550.93/34,585.02
  6. Step 6: Final answer
    x = 27,950.47

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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.