Home / 37,685.56-56,475.55-28,319.60

Finding the Fourth Proportional to 37,685.56, 56,475.55 and 28,319.60

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Solution

The fourth proportional to 37,685.56, 56,475.55 and 28,319.60 is: 42,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.56 : 56,475.55 = 28,319.60 : x
  2. Step 2: Convert to fraction form
    37,685.56/56,475.55 = 28,319.60/x
  3. Step 3: Cross multiply
    37,685.56x = 56,475.55 × 28,319.60
  4. Step 4: Simplify right side
    37,685.56x = 1,599,364,985.78
  5. Step 5: Solve for x
    x = 1,599,364,985.78/37,685.56
  6. Step 6: Final answer
    x = 42,439.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.