Home / 39,330.66-54,281.86-22,339.14

Finding the Fourth Proportional to 39,330.66, 54,281.86 and 22,339.14

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Solution

The fourth proportional to 39,330.66, 54,281.86 and 22,339.14 is: 30,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,330.66 : 54,281.86 = 22,339.14 : x
  2. Step 2: Convert to fraction form
    39,330.66/54,281.86 = 22,339.14/x
  3. Step 3: Cross multiply
    39,330.66x = 54,281.86 × 22,339.14
  4. Step 4: Simplify right side
    39,330.66x = 1,212,610,070.00
  5. Step 5: Solve for x
    x = 1,212,610,070.00/39,330.66
  6. Step 6: Final answer
    x = 30,831.17

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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.