Home / 56,342.75-77,750.59-30,848.65

Finding the Fourth Proportional to 56,342.75, 77,750.59 and 30,848.65

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Solution

The fourth proportional to 56,342.75, 77,750.59 and 30,848.65 is: 42,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,342.75 : 77,750.59 = 30,848.65 : x
  2. Step 2: Convert to fraction form
    56,342.75/77,750.59 = 30,848.65/x
  3. Step 3: Cross multiply
    56,342.75x = 77,750.59 × 30,848.65
  4. Step 4: Simplify right side
    56,342.75x = 2,398,500,408.86
  5. Step 5: Solve for x
    x = 2,398,500,408.86/56,342.75
  6. Step 6: Final answer
    x = 42,569.82

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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.