Home / 40,046.81-55,277.71-28,113.08

Finding the Fourth Proportional to 40,046.81, 55,277.71 and 28,113.08

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Solution

The fourth proportional to 40,046.81, 55,277.71 and 28,113.08 is: 38,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,046.81 : 55,277.71 = 28,113.08 : x
  2. Step 2: Convert to fraction form
    40,046.81/55,277.71 = 28,113.08/x
  3. Step 3: Cross multiply
    40,046.81x = 55,277.71 × 28,113.08
  4. Step 4: Simplify right side
    40,046.81x = 1,554,026,336.78
  5. Step 5: Solve for x
    x = 1,554,026,336.78/40,046.81
  6. Step 6: Final answer
    x = 38,805.25

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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.