Home / 51,008.16-76,500.09-21,426.57

Finding the Fourth Proportional to 51,008.16, 76,500.09 and 21,426.57

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Solution

The fourth proportional to 51,008.16, 76,500.09 and 21,426.57 is: 32,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.16 : 76,500.09 = 21,426.57 : x
  2. Step 2: Convert to fraction form
    51,008.16/76,500.09 = 21,426.57/x
  3. Step 3: Cross multiply
    51,008.16x = 76,500.09 × 21,426.57
  4. Step 4: Simplify right side
    51,008.16x = 1,639,134,533.39
  5. Step 5: Solve for x
    x = 1,639,134,533.39/51,008.16
  6. Step 6: Final answer
    x = 32,134.75

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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.