Home / 51,064.66-70,471.11-28,406.26

Finding the Fourth Proportional to 51,064.66, 70,471.11 and 28,406.26

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Solution

The fourth proportional to 51,064.66, 70,471.11 and 28,406.26 is: 39,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,064.66 : 70,471.11 = 28,406.26 : x
  2. Step 2: Convert to fraction form
    51,064.66/70,471.11 = 28,406.26/x
  3. Step 3: Cross multiply
    51,064.66x = 70,471.11 × 28,406.26
  4. Step 4: Simplify right side
    51,064.66x = 2,001,820,673.15
  5. Step 5: Solve for x
    x = 2,001,820,673.15/51,064.66
  6. Step 6: Final answer
    x = 39,201.68

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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.