Home / 37,154.10-51,272.66-21,238.91

Finding the Fourth Proportional to 37,154.10, 51,272.66 and 21,238.91

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Solution

The fourth proportional to 37,154.10, 51,272.66 and 21,238.91 is: 29,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,154.10 : 51,272.66 = 21,238.91 : x
  2. Step 2: Convert to fraction form
    37,154.10/51,272.66 = 21,238.91/x
  3. Step 3: Cross multiply
    37,154.10x = 51,272.66 × 21,238.91
  4. Step 4: Simplify right side
    37,154.10x = 1,088,975,048.64
  5. Step 5: Solve for x
    x = 1,088,975,048.64/37,154.10
  6. Step 6: Final answer
    x = 29,309.69

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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.