Home / 51,129.98-70,559.40-29,913.35

Finding the Fourth Proportional to 51,129.98, 70,559.40 and 29,913.35

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Solution

The fourth proportional to 51,129.98, 70,559.40 and 29,913.35 is: 41,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.98 : 70,559.40 = 29,913.35 : x
  2. Step 2: Convert to fraction form
    51,129.98/70,559.40 = 29,913.35/x
  3. Step 3: Cross multiply
    51,129.98x = 70,559.40 × 29,913.35
  4. Step 4: Simplify right side
    51,129.98x = 2,110,668,184.26
  5. Step 5: Solve for x
    x = 2,110,668,184.26/51,129.98
  6. Step 6: Final answer
    x = 41,280.44

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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.