Home / 31,036.25-42,873.26-29,884.10

Finding the Fourth Proportional to 31,036.25, 42,873.26 and 29,884.10

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Solution

The fourth proportional to 31,036.25, 42,873.26 and 29,884.10 is: 41,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,036.25 : 42,873.26 = 29,884.10 : x
  2. Step 2: Convert to fraction form
    31,036.25/42,873.26 = 29,884.10/x
  3. Step 3: Cross multiply
    31,036.25x = 42,873.26 × 29,884.10
  4. Step 4: Simplify right side
    31,036.25x = 1,281,228,750.59
  5. Step 5: Solve for x
    x = 1,281,228,750.59/31,036.25
  6. Step 6: Final answer
    x = 41,281.69

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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.