Home / 56,848.19-78,451.11-31,355.66

Finding the Fourth Proportional to 56,848.19, 78,451.11 and 31,355.66

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Solution

The fourth proportional to 56,848.19, 78,451.11 and 31,355.66 is: 43,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,848.19 : 78,451.11 = 31,355.66 : x
  2. Step 2: Convert to fraction form
    56,848.19/78,451.11 = 31,355.66/x
  3. Step 3: Cross multiply
    56,848.19x = 78,451.11 × 31,355.66
  4. Step 4: Simplify right side
    56,848.19x = 2,459,886,527.91
  5. Step 5: Solve for x
    x = 2,459,886,527.91/56,848.19
  6. Step 6: Final answer
    x = 43,271.15

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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.