Home / 38,627.37-53,312.45-21,860.37

Finding the Fourth Proportional to 38,627.37, 53,312.45 and 21,860.37

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Solution

The fourth proportional to 38,627.37, 53,312.45 and 21,860.37 is: 30,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.37 : 53,312.45 = 21,860.37 : x
  2. Step 2: Convert to fraction form
    38,627.37/53,312.45 = 21,860.37/x
  3. Step 3: Cross multiply
    38,627.37x = 53,312.45 × 21,860.37
  4. Step 4: Simplify right side
    38,627.37x = 1,165,429,773.30
  5. Step 5: Solve for x
    x = 1,165,429,773.30/38,627.37
  6. Step 6: Final answer
    x = 30,171.09

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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.