Home / 56,207.61-77,565.83-31,056.57

Finding the Fourth Proportional to 56,207.61, 77,565.83 and 31,056.57

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Solution

The fourth proportional to 56,207.61, 77,565.83 and 31,056.57 is: 42,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.61 : 77,565.83 = 31,056.57 : x
  2. Step 2: Convert to fraction form
    56,207.61/77,565.83 = 31,056.57/x
  3. Step 3: Cross multiply
    56,207.61x = 77,565.83 × 31,056.57
  4. Step 4: Simplify right side
    56,207.61x = 2,408,928,473.72
  5. Step 5: Solve for x
    x = 2,408,928,473.72/56,207.61
  6. Step 6: Final answer
    x = 42,857.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.