Home / 37,760.60-56,639.10-12,798.20

Finding the Fourth Proportional to 37,760.60, 56,639.10 and 12,798.20

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Solution

The fourth proportional to 37,760.60, 56,639.10 and 12,798.20 is: 19,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,760.60 : 56,639.10 = 12,798.20 : x
  2. Step 2: Convert to fraction form
    37,760.60/56,639.10 = 12,798.20/x
  3. Step 3: Cross multiply
    37,760.60x = 56,639.10 × 12,798.20
  4. Step 4: Simplify right side
    37,760.60x = 724,878,529.62
  5. Step 5: Solve for x
    x = 724,878,529.62/37,760.60
  6. Step 6: Final answer
    x = 19,196.69

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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.