Home / 37,767.40-52,117.90-20,771.71

Finding the Fourth Proportional to 37,767.40, 52,117.90 and 20,771.71

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Solution

The fourth proportional to 37,767.40, 52,117.90 and 20,771.71 is: 28,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,767.40 : 52,117.90 = 20,771.71 : x
  2. Step 2: Convert to fraction form
    37,767.40/52,117.90 = 20,771.71/x
  3. Step 3: Cross multiply
    37,767.40x = 52,117.90 × 20,771.71
  4. Step 4: Simplify right side
    37,767.40x = 1,082,577,904.61
  5. Step 5: Solve for x
    x = 1,082,577,904.61/37,767.40
  6. Step 6: Final answer
    x = 28,664.35

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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.