Home / 56,702.70-85,058.19-19,247.58

Finding the Fourth Proportional to 56,702.70, 85,058.19 and 19,247.58

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Solution

The fourth proportional to 56,702.70, 85,058.19 and 19,247.58 is: 28,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,702.70 : 85,058.19 = 19,247.58 : x
  2. Step 2: Convert to fraction form
    56,702.70/85,058.19 = 19,247.58/x
  3. Step 3: Cross multiply
    56,702.70x = 85,058.19 × 19,247.58
  4. Step 4: Simplify right side
    56,702.70x = 1,637,164,316.68
  5. Step 5: Solve for x
    x = 1,637,164,316.68/56,702.70
  6. Step 6: Final answer
    x = 28,872.78

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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.