Home / 37,808.86-56,715.90-12,838.72

Finding the Fourth Proportional to 37,808.86, 56,715.90 and 12,838.72

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Solution

The fourth proportional to 37,808.86, 56,715.90 and 12,838.72 is: 19,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,808.86 : 56,715.90 = 12,838.72 : x
  2. Step 2: Convert to fraction form
    37,808.86/56,715.90 = 12,838.72/x
  3. Step 3: Cross multiply
    37,808.86x = 56,715.90 × 12,838.72
  4. Step 4: Simplify right side
    37,808.86x = 728,159,559.65
  5. Step 5: Solve for x
    x = 728,159,559.65/37,808.86
  6. Step 6: Final answer
    x = 19,258.97

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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.