Home / 37,854.40-52,244.10-21,728.08

Finding the Fourth Proportional to 37,854.40, 52,244.10 and 21,728.08

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Solution

The fourth proportional to 37,854.40, 52,244.10 and 21,728.08 is: 29,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,854.40 : 52,244.10 = 21,728.08 : x
  2. Step 2: Convert to fraction form
    37,854.40/52,244.10 = 21,728.08/x
  3. Step 3: Cross multiply
    37,854.40x = 52,244.10 × 21,728.08
  4. Step 4: Simplify right side
    37,854.40x = 1,135,163,984.33
  5. Step 5: Solve for x
    x = 1,135,163,984.33/37,854.40
  6. Step 6: Final answer
    x = 29,987.64

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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.