Home / 51,112.84-76,612.56-21,521.92

Finding the Fourth Proportional to 51,112.84, 76,612.56 and 21,521.92

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Solution

The fourth proportional to 51,112.84, 76,612.56 and 21,521.92 is: 32,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.84 : 76,612.56 = 21,521.92 : x
  2. Step 2: Convert to fraction form
    51,112.84/76,612.56 = 21,521.92/x
  3. Step 3: Cross multiply
    51,112.84x = 76,612.56 × 21,521.92
  4. Step 4: Simplify right side
    51,112.84x = 1,648,849,387.32
  5. Step 5: Solve for x
    x = 1,648,849,387.32/51,112.84
  6. Step 6: Final answer
    x = 32,259.01

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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.