Home / 37,428.21-51,650.55-20,432.16

Finding the Fourth Proportional to 37,428.21, 51,650.55 and 20,432.16

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Solution

The fourth proportional to 37,428.21, 51,650.55 and 20,432.16 is: 28,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.21 : 51,650.55 = 20,432.16 : x
  2. Step 2: Convert to fraction form
    37,428.21/51,650.55 = 20,432.16/x
  3. Step 3: Cross multiply
    37,428.21x = 51,650.55 × 20,432.16
  4. Step 4: Simplify right side
    37,428.21x = 1,055,332,301.69
  5. Step 5: Solve for x
    x = 1,055,332,301.69/37,428.21
  6. Step 6: Final answer
    x = 28,196.17

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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.