Home / 39,924.09-55,095.59-22,019.72

Finding the Fourth Proportional to 39,924.09, 55,095.59 and 22,019.72

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Solution

The fourth proportional to 39,924.09, 55,095.59 and 22,019.72 is: 30,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,924.09 : 55,095.59 = 22,019.72 : x
  2. Step 2: Convert to fraction form
    39,924.09/55,095.59 = 22,019.72/x
  3. Step 3: Cross multiply
    39,924.09x = 55,095.59 × 22,019.72
  4. Step 4: Simplify right side
    39,924.09x = 1,213,189,244.61
  5. Step 5: Solve for x
    x = 1,213,189,244.61/39,924.09
  6. Step 6: Final answer
    x = 30,387.40

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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.