Home / 37,419.60-51,642.12-21,506.64

Finding the Fourth Proportional to 37,419.60, 51,642.12 and 21,506.64

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Solution

The fourth proportional to 37,419.60, 51,642.12 and 21,506.64 is: 29,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,419.60 : 51,642.12 = 21,506.64 : x
  2. Step 2: Convert to fraction form
    37,419.60/51,642.12 = 21,506.64/x
  3. Step 3: Cross multiply
    37,419.60x = 51,642.12 × 21,506.64
  4. Step 4: Simplify right side
    37,419.60x = 1,110,648,483.68
  5. Step 5: Solve for x
    x = 1,110,648,483.68/37,419.60
  6. Step 6: Final answer
    x = 29,680.93

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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.