Home / 39,923.16-55,088.53-22,018.92

Finding the Fourth Proportional to 39,923.16, 55,088.53 and 22,018.92

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Solution

The fourth proportional to 39,923.16, 55,088.53 and 22,018.92 is: 30,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.16 : 55,088.53 = 22,018.92 : x
  2. Step 2: Convert to fraction form
    39,923.16/55,088.53 = 22,018.92/x
  3. Step 3: Cross multiply
    39,923.16x = 55,088.53 × 22,018.92
  4. Step 4: Simplify right side
    39,923.16x = 1,212,989,934.99
  5. Step 5: Solve for x
    x = 1,212,989,934.99/39,923.16
  6. Step 6: Final answer
    x = 30,383.11

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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.