Home / 51,913.40-71,641.16-30,692.48

Finding the Fourth Proportional to 51,913.40, 71,641.16 and 30,692.48

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Solution

The fourth proportional to 51,913.40, 71,641.16 and 30,692.48 is: 42,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,913.40 : 71,641.16 = 30,692.48 : x
  2. Step 2: Convert to fraction form
    51,913.40/71,641.16 = 30,692.48/x
  3. Step 3: Cross multiply
    51,913.40x = 71,641.16 × 30,692.48
  4. Step 4: Simplify right side
    51,913.40x = 2,198,844,870.48
  5. Step 5: Solve for x
    x = 2,198,844,870.48/51,913.40
  6. Step 6: Final answer
    x = 42,356.02

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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.