Home / 39,879.65-55,043.28-24,783.68

Finding the Fourth Proportional to 39,879.65, 55,043.28 and 24,783.68

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Solution

The fourth proportional to 39,879.65, 55,043.28 and 24,783.68 is: 34,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.65 : 55,043.28 = 24,783.68 : x
  2. Step 2: Convert to fraction form
    39,879.65/55,043.28 = 24,783.68/x
  3. Step 3: Cross multiply
    39,879.65x = 55,043.28 × 24,783.68
  4. Step 4: Simplify right side
    39,879.65x = 1,364,175,175.28
  5. Step 5: Solve for x
    x = 1,364,175,175.28/39,879.65
  6. Step 6: Final answer
    x = 34,207.30

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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.