Home / 37,407.60-51,623.56-20,641.68

Finding the Fourth Proportional to 37,407.60, 51,623.56 and 20,641.68

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Solution

The fourth proportional to 37,407.60, 51,623.56 and 20,641.68 is: 28,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,407.60 : 51,623.56 = 20,641.68 : x
  2. Step 2: Convert to fraction form
    37,407.60/51,623.56 = 20,641.68/x
  3. Step 3: Cross multiply
    37,407.60x = 51,623.56 × 20,641.68
  4. Step 4: Simplify right side
    37,407.60x = 1,065,597,005.98
  5. Step 5: Solve for x
    x = 1,065,597,005.98/37,407.60
  6. Step 6: Final answer
    x = 28,486.11

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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.