Home / 51,040.90-70,440.38-30,623.73

Finding the Fourth Proportional to 51,040.90, 70,440.38 and 30,623.73

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Solution

The fourth proportional to 51,040.90, 70,440.38 and 30,623.73 is: 42,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.90 : 70,440.38 = 30,623.73 : x
  2. Step 2: Convert to fraction form
    51,040.90/70,440.38 = 30,623.73/x
  3. Step 3: Cross multiply
    51,040.90x = 70,440.38 × 30,623.73
  4. Step 4: Simplify right side
    51,040.90x = 2,157,147,178.22
  5. Step 5: Solve for x
    x = 2,157,147,178.22/51,040.90
  6. Step 6: Final answer
    x = 42,263.11

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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.