Home / 51,102.72-70,522.92-28,443.24

Finding the Fourth Proportional to 51,102.72, 70,522.92 and 28,443.24

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Solution

The fourth proportional to 51,102.72, 70,522.92 and 28,443.24 is: 39,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102.72 : 70,522.92 = 28,443.24 : x
  2. Step 2: Convert to fraction form
    51,102.72/70,522.92 = 28,443.24/x
  3. Step 3: Cross multiply
    51,102.72x = 70,522.92 × 28,443.24
  4. Step 4: Simplify right side
    51,102.72x = 2,005,900,339.06
  5. Step 5: Solve for x
    x = 2,005,900,339.06/51,102.72
  6. Step 6: Final answer
    x = 39,252.32

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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.