Home / 53,639.47-80,448.18-22,018.69

Finding the Fourth Proportional to 53,639.47, 80,448.18 and 22,018.69

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Solution

The fourth proportional to 53,639.47, 80,448.18 and 22,018.69 is: 33,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,639.47 : 80,448.18 = 22,018.69 : x
  2. Step 2: Convert to fraction form
    53,639.47/80,448.18 = 22,018.69/x
  3. Step 3: Cross multiply
    53,639.47x = 80,448.18 × 22,018.69
  4. Step 4: Simplify right side
    53,639.47x = 1,771,363,536.48
  5. Step 5: Solve for x
    x = 1,771,363,536.48/53,639.47
  6. Step 6: Final answer
    x = 33,023.51

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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.