Home / 51,630.84-77,450.88-20,040.16

Finding the Fourth Proportional to 51,630.84, 77,450.88 and 20,040.16

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Solution

The fourth proportional to 51,630.84, 77,450.88 and 20,040.16 is: 30,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,630.84 : 77,450.88 = 20,040.16 : x
  2. Step 2: Convert to fraction form
    51,630.84/77,450.88 = 20,040.16/x
  3. Step 3: Cross multiply
    51,630.84x = 77,450.88 × 20,040.16
  4. Step 4: Simplify right side
    51,630.84x = 1,552,128,027.34
  5. Step 5: Solve for x
    x = 1,552,128,027.34/51,630.84
  6. Step 6: Final answer
    x = 30,062.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.