Home / 37,767.58-52,117.23-20,999.50

Finding the Fourth Proportional to 37,767.58, 52,117.23 and 20,999.50

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Solution

The fourth proportional to 37,767.58, 52,117.23 and 20,999.50 is: 28,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,767.58 : 52,117.23 = 20,999.50 : x
  2. Step 2: Convert to fraction form
    37,767.58/52,117.23 = 20,999.50/x
  3. Step 3: Cross multiply
    37,767.58x = 52,117.23 × 20,999.50
  4. Step 4: Simplify right side
    37,767.58x = 1,094,435,771.39
  5. Step 5: Solve for x
    x = 1,094,435,771.39/37,767.58
  6. Step 6: Final answer
    x = 28,978.18

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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.