Home / 37,398.13-51,606.51-21,479.50

Finding the Fourth Proportional to 37,398.13, 51,606.51 and 21,479.50

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Solution

The fourth proportional to 37,398.13, 51,606.51 and 21,479.50 is: 29,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,398.13 : 51,606.51 = 21,479.50 : x
  2. Step 2: Convert to fraction form
    37,398.13/51,606.51 = 21,479.50/x
  3. Step 3: Cross multiply
    37,398.13x = 51,606.51 × 21,479.50
  4. Step 4: Simplify right side
    37,398.13x = 1,108,482,031.55
  5. Step 5: Solve for x
    x = 1,108,482,031.55/37,398.13
  6. Step 6: Final answer
    x = 29,640.04

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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.