Home / 51,215.80-70,652.68-34,224.21

Finding the Fourth Proportional to 51,215.80, 70,652.68 and 34,224.21

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Solution

The fourth proportional to 51,215.80, 70,652.68 and 34,224.21 is: 47,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.80 : 70,652.68 = 34,224.21 : x
  2. Step 2: Convert to fraction form
    51,215.80/70,652.68 = 34,224.21/x
  3. Step 3: Cross multiply
    51,215.80x = 70,652.68 × 34,224.21
  4. Step 4: Simplify right side
    51,215.80x = 2,418,032,366.79
  5. Step 5: Solve for x
    x = 2,418,032,366.79/51,215.80
  6. Step 6: Final answer
    x = 47,212.63

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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.