Home / 51,135.19-70,588.34-34,377.91

Finding the Fourth Proportional to 51,135.19, 70,588.34 and 34,377.91

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Solution

The fourth proportional to 51,135.19, 70,588.34 and 34,377.91 is: 47,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,135.19 : 70,588.34 = 34,377.91 : x
  2. Step 2: Convert to fraction form
    51,135.19/70,588.34 = 34,377.91/x
  3. Step 3: Cross multiply
    51,135.19x = 70,588.34 × 34,377.91
  4. Step 4: Simplify right side
    51,135.19x = 2,426,679,599.57
  5. Step 5: Solve for x
    x = 2,426,679,599.57/51,135.19
  6. Step 6: Final answer
    x = 47,456.16

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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.