Home / 52,214.58-78,330.78-20,608.11

Finding the Fourth Proportional to 52,214.58, 78,330.78 and 20,608.11

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Solution

The fourth proportional to 52,214.58, 78,330.78 and 20,608.11 is: 30,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,214.58 : 78,330.78 = 20,608.11 : x
  2. Step 2: Convert to fraction form
    52,214.58/78,330.78 = 20,608.11/x
  3. Step 3: Cross multiply
    52,214.58x = 78,330.78 × 20,608.11
  4. Step 4: Simplify right side
    52,214.58x = 1,614,249,330.63
  5. Step 5: Solve for x
    x = 1,614,249,330.63/52,214.58
  6. Step 6: Final answer
    x = 30,915.68

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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.