Home / 37,994.12-52,431.60-20,999.52

Finding the Fourth Proportional to 37,994.12, 52,431.60 and 20,999.52

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Solution

The fourth proportional to 37,994.12, 52,431.60 and 20,999.52 is: 28,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,994.12 : 52,431.60 = 20,999.52 : x
  2. Step 2: Convert to fraction form
    37,994.12/52,431.60 = 20,999.52/x
  3. Step 3: Cross multiply
    37,994.12x = 52,431.60 × 20,999.52
  4. Step 4: Simplify right side
    37,994.12x = 1,101,038,432.83
  5. Step 5: Solve for x
    x = 1,101,038,432.83/37,994.12
  6. Step 6: Final answer
    x = 28,979.18

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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.