Home / 40,289.36-60,404.28-21,568.72

Finding the Fourth Proportional to 40,289.36, 60,404.28 and 21,568.72

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Solution

The fourth proportional to 40,289.36, 60,404.28 and 21,568.72 is: 32,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,289.36 : 60,404.28 = 21,568.72 : x
  2. Step 2: Convert to fraction form
    40,289.36/60,404.28 = 21,568.72/x
  3. Step 3: Cross multiply
    40,289.36x = 60,404.28 × 21,568.72
  4. Step 4: Simplify right side
    40,289.36x = 1,302,843,002.12
  5. Step 5: Solve for x
    x = 1,302,843,002.12/40,289.36
  6. Step 6: Final answer
    x = 32,337.15

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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.