Home / 51,010.23-70,392.43-28,040.12

Finding the Fourth Proportional to 51,010.23, 70,392.43 and 28,040.12

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Solution

The fourth proportional to 51,010.23, 70,392.43 and 28,040.12 is: 38,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,010.23 : 70,392.43 = 28,040.12 : x
  2. Step 2: Convert to fraction form
    51,010.23/70,392.43 = 28,040.12/x
  3. Step 3: Cross multiply
    51,010.23x = 70,392.43 × 28,040.12
  4. Step 4: Simplify right side
    51,010.23x = 1,973,812,290.17
  5. Step 5: Solve for x
    x = 1,973,812,290.17/51,010.23
  6. Step 6: Final answer
    x = 38,694.44

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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.