Home / 37,612.67-56,421.72-12,652.61

Finding the Fourth Proportional to 37,612.67, 56,421.72 and 12,652.61

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Solution

The fourth proportional to 37,612.67, 56,421.72 and 12,652.61 is: 18,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.67 : 56,421.72 = 12,652.61 : x
  2. Step 2: Convert to fraction form
    37,612.67/56,421.72 = 12,652.61/x
  3. Step 3: Cross multiply
    37,612.67x = 56,421.72 × 12,652.61
  4. Step 4: Simplify right side
    37,612.67x = 713,881,736.58
  5. Step 5: Solve for x
    x = 713,881,736.58/37,612.67
  6. Step 6: Final answer
    x = 18,979.82

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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.