Home / 51,343.53-70,847.08-28,679.64

Finding the Fourth Proportional to 51,343.53, 70,847.08 and 28,679.64

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Solution

The fourth proportional to 51,343.53, 70,847.08 and 28,679.64 is: 39,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,343.53 : 70,847.08 = 28,679.64 : x
  2. Step 2: Convert to fraction form
    51,343.53/70,847.08 = 28,679.64/x
  3. Step 3: Cross multiply
    51,343.53x = 70,847.08 × 28,679.64
  4. Step 4: Simplify right side
    51,343.53x = 2,031,868,749.45
  5. Step 5: Solve for x
    x = 2,031,868,749.45/51,343.53
  6. Step 6: Final answer
    x = 39,574.00

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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.