Home / 35,826.16-53,762.55-13,639.72

Finding the Fourth Proportional to 35,826.16, 53,762.55 and 13,639.72

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Solution

The fourth proportional to 35,826.16, 53,762.55 and 13,639.72 is: 20,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,826.16 : 53,762.55 = 13,639.72 : x
  2. Step 2: Convert to fraction form
    35,826.16/53,762.55 = 13,639.72/x
  3. Step 3: Cross multiply
    35,826.16x = 53,762.55 × 13,639.72
  4. Step 4: Simplify right side
    35,826.16x = 733,306,128.49
  5. Step 5: Solve for x
    x = 733,306,128.49/35,826.16
  6. Step 6: Final answer
    x = 20,468.45

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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.