Home / 39,117-53,981.54-22,349.96

Finding the Fourth Proportional to 39,117, 53,981.54 and 22,349.96

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Solution

The fourth proportional to 39,117, 53,981.54 and 22,349.96 is: 30,842.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117 : 53,981.54 = 22,349.96 : x
  2. Step 2: Convert to fraction form
    39,117/53,981.54 = 22,349.96/x
  3. Step 3: Cross multiply
    39,117x = 53,981.54 × 22,349.96
  4. Step 4: Simplify right side
    39,117x = 1,206,485,259.74
  5. Step 5: Solve for x
    x = 1,206,485,259.74/39,117
  6. Step 6: Final answer
    x = 30,842.99

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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.