Home / 37,869.40-52,257.66-20,870.32

Finding the Fourth Proportional to 37,869.40, 52,257.66 and 20,870.32

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Solution

The fourth proportional to 37,869.40, 52,257.66 and 20,870.32 is: 28,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,869.40 : 52,257.66 = 20,870.32 : x
  2. Step 2: Convert to fraction form
    37,869.40/52,257.66 = 20,870.32/x
  3. Step 3: Cross multiply
    37,869.40x = 52,257.66 × 20,870.32
  4. Step 4: Simplify right side
    37,869.40x = 1,090,634,086.65
  5. Step 5: Solve for x
    x = 1,090,634,086.65/37,869.40
  6. Step 6: Final answer
    x = 28,799.88

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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.