Home / 37,743.10-56,630.81-12,785.78

Finding the Fourth Proportional to 37,743.10, 56,630.81 and 12,785.78

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Solution

The fourth proportional to 37,743.10, 56,630.81 and 12,785.78 is: 19,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,743.10 : 56,630.81 = 12,785.78 : x
  2. Step 2: Convert to fraction form
    37,743.10/56,630.81 = 12,785.78/x
  3. Step 3: Cross multiply
    37,743.10x = 56,630.81 × 12,785.78
  4. Step 4: Simplify right side
    37,743.10x = 724,069,251.42
  5. Step 5: Solve for x
    x = 724,069,251.42/37,743.10
  6. Step 6: Final answer
    x = 19,184.15

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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.