Home / 39,715.02-54,825.41-22,944.78

Finding the Fourth Proportional to 39,715.02, 54,825.41 and 22,944.78

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Solution

The fourth proportional to 39,715.02, 54,825.41 and 22,944.78 is: 31,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,715.02 : 54,825.41 = 22,944.78 : x
  2. Step 2: Convert to fraction form
    39,715.02/54,825.41 = 22,944.78/x
  3. Step 3: Cross multiply
    39,715.02x = 54,825.41 × 22,944.78
  4. Step 4: Simplify right side
    39,715.02x = 1,257,956,970.86
  5. Step 5: Solve for x
    x = 1,257,956,970.86/39,715.02
  6. Step 6: Final answer
    x = 31,674.59

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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.