Home / 51,266.72-70,746-28,606.70

Finding the Fourth Proportional to 51,266.72, 70,746 and 28,606.70

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Solution

The fourth proportional to 51,266.72, 70,746 and 28,606.70 is: 39,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,266.72 : 70,746 = 28,606.70 : x
  2. Step 2: Convert to fraction form
    51,266.72/70,746 = 28,606.70/x
  3. Step 3: Cross multiply
    51,266.72x = 70,746 × 28,606.70
  4. Step 4: Simplify right side
    51,266.72x = 2,023,809,598.20
  5. Step 5: Solve for x
    x = 2,023,809,598.20/51,266.72
  6. Step 6: Final answer
    x = 39,476.09

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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.