Home / 36,430.16-54,615.78-15,356.60

Finding the Fourth Proportional to 36,430.16, 54,615.78 and 15,356.60

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Solution

The fourth proportional to 36,430.16, 54,615.78 and 15,356.60 is: 23,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,430.16 : 54,615.78 = 15,356.60 : x
  2. Step 2: Convert to fraction form
    36,430.16/54,615.78 = 15,356.60/x
  3. Step 3: Cross multiply
    36,430.16x = 54,615.78 × 15,356.60
  4. Step 4: Simplify right side
    36,430.16x = 838,712,414.07
  5. Step 5: Solve for x
    x = 838,712,414.07/36,430.16
  6. Step 6: Final answer
    x = 23,022.47

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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.