Home / 37,878.86-52,273.18-20,883.70

Finding the Fourth Proportional to 37,878.86, 52,273.18 and 20,883.70

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Solution

The fourth proportional to 37,878.86, 52,273.18 and 20,883.70 is: 28,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.86 : 52,273.18 = 20,883.70 : x
  2. Step 2: Convert to fraction form
    37,878.86/52,273.18 = 20,883.70/x
  3. Step 3: Cross multiply
    37,878.86x = 52,273.18 × 20,883.70
  4. Step 4: Simplify right side
    37,878.86x = 1,091,657,409.17
  5. Step 5: Solve for x
    x = 1,091,657,409.17/37,878.86
  6. Step 6: Final answer
    x = 28,819.70

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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.