Home / 51,462.77-71,021.75-28,801.29

Finding the Fourth Proportional to 51,462.77, 71,021.75 and 28,801.29

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Solution

The fourth proportional to 51,462.77, 71,021.75 and 28,801.29 is: 39,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,462.77 : 71,021.75 = 28,801.29 : x
  2. Step 2: Convert to fraction form
    51,462.77/71,021.75 = 28,801.29/x
  3. Step 3: Cross multiply
    51,462.77x = 71,021.75 × 28,801.29
  4. Step 4: Simplify right side
    51,462.77x = 2,045,518,018.06
  5. Step 5: Solve for x
    x = 2,045,518,018.06/51,462.77
  6. Step 6: Final answer
    x = 39,747.53

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1.5x scale

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.