Home / 37,661.28-51,968.85-21,746.40

Finding the Fourth Proportional to 37,661.28, 51,968.85 and 21,746.40

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Solution

The fourth proportional to 37,661.28, 51,968.85 and 21,746.40 is: 30,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.28 : 51,968.85 = 21,746.40 : x
  2. Step 2: Convert to fraction form
    37,661.28/51,968.85 = 21,746.40/x
  3. Step 3: Cross multiply
    37,661.28x = 51,968.85 × 21,746.40
  4. Step 4: Simplify right side
    37,661.28x = 1,130,135,399.64
  5. Step 5: Solve for x
    x = 1,130,135,399.64/37,661.28
  6. Step 6: Final answer
    x = 30,007.89

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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.