Home / 52,844.28-72,921.51-28,966.02

Finding the Fourth Proportional to 52,844.28, 72,921.51 and 28,966.02

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Solution

The fourth proportional to 52,844.28, 72,921.51 and 28,966.02 is: 39,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,844.28 : 72,921.51 = 28,966.02 : x
  2. Step 2: Convert to fraction form
    52,844.28/72,921.51 = 28,966.02/x
  3. Step 3: Cross multiply
    52,844.28x = 72,921.51 × 28,966.02
  4. Step 4: Simplify right side
    52,844.28x = 2,112,245,917.09
  5. Step 5: Solve for x
    x = 2,112,245,917.09/52,844.28
  6. Step 6: Final answer
    x = 39,971.14

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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.