Home / 51,197.32-70,656.50-28,843.40

Finding the Fourth Proportional to 51,197.32, 70,656.50 and 28,843.40

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Solution

The fourth proportional to 51,197.32, 70,656.50 and 28,843.40 is: 39,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.32 : 70,656.50 = 28,843.40 : x
  2. Step 2: Convert to fraction form
    51,197.32/70,656.50 = 28,843.40/x
  3. Step 3: Cross multiply
    51,197.32x = 70,656.50 × 28,843.40
  4. Step 4: Simplify right side
    51,197.32x = 2,037,973,692.10
  5. Step 5: Solve for x
    x = 2,037,973,692.10/51,197.32
  6. Step 6: Final answer
    x = 39,806.26

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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.