Home / 37,812.62-56,718.93-12,870.57

Finding the Fourth Proportional to 37,812.62, 56,718.93 and 12,870.57

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Solution

The fourth proportional to 37,812.62, 56,718.93 and 12,870.57 is: 19,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.62 : 56,718.93 = 12,870.57 : x
  2. Step 2: Convert to fraction form
    37,812.62/56,718.93 = 12,870.57/x
  3. Step 3: Cross multiply
    37,812.62x = 56,718.93 × 12,870.57
  4. Step 4: Simplify right side
    37,812.62x = 730,005,060.33
  5. Step 5: Solve for x
    x = 730,005,060.33/37,812.62
  6. Step 6: Final answer
    x = 19,305.86

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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.