Home / 39,763.28-54,873.44-22,767.78

Finding the Fourth Proportional to 39,763.28, 54,873.44 and 22,767.78

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Solution

The fourth proportional to 39,763.28, 54,873.44 and 22,767.78 is: 31,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,763.28 : 54,873.44 = 22,767.78 : x
  2. Step 2: Convert to fraction form
    39,763.28/54,873.44 = 22,767.78/x
  3. Step 3: Cross multiply
    39,763.28x = 54,873.44 × 22,767.78
  4. Step 4: Simplify right side
    39,763.28x = 1,249,346,409.76
  5. Step 5: Solve for x
    x = 1,249,346,409.76/39,763.28
  6. Step 6: Final answer
    x = 31,419.60

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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.