Home / 56,567.14-78,058-31,072.18

Finding the Fourth Proportional to 56,567.14, 78,058 and 31,072.18

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Solution

The fourth proportional to 56,567.14, 78,058 and 31,072.18 is: 42,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,567.14 : 78,058 = 31,072.18 : x
  2. Step 2: Convert to fraction form
    56,567.14/78,058 = 31,072.18/x
  3. Step 3: Cross multiply
    56,567.14x = 78,058 × 31,072.18
  4. Step 4: Simplify right side
    56,567.14x = 2,425,432,226.44
  5. Step 5: Solve for x
    x = 2,425,432,226.44/56,567.14
  6. Step 6: Final answer
    x = 42,877.05

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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.