Home / 37,601.60-56,400.31-12,639.07

Finding the Fourth Proportional to 37,601.60, 56,400.31 and 12,639.07

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Solution

The fourth proportional to 37,601.60, 56,400.31 and 12,639.07 is: 18,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,601.60 : 56,400.31 = 12,639.07 : x
  2. Step 2: Convert to fraction form
    37,601.60/56,400.31 = 12,639.07/x
  3. Step 3: Cross multiply
    37,601.60x = 56,400.31 × 12,639.07
  4. Step 4: Simplify right side
    37,601.60x = 712,847,466.11
  5. Step 5: Solve for x
    x = 712,847,466.11/37,601.60
  6. Step 6: Final answer
    x = 18,957.90

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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.