Home / 37,987.65-52,422.62-20,993.04

Finding the Fourth Proportional to 37,987.65, 52,422.62 and 20,993.04

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Solution

The fourth proportional to 37,987.65, 52,422.62 and 20,993.04 is: 28,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,987.65 : 52,422.62 = 20,993.04 : x
  2. Step 2: Convert to fraction form
    37,987.65/52,422.62 = 20,993.04/x
  3. Step 3: Cross multiply
    37,987.65x = 52,422.62 × 20,993.04
  4. Step 4: Simplify right side
    37,987.65x = 1,100,510,053.60
  5. Step 5: Solve for x
    x = 1,100,510,053.60/37,987.65
  6. Step 6: Final answer
    x = 28,970.21

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Double scale
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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.