Home / 54,838.43-82,259.32-18,814.38

Finding the Fourth Proportional to 54,838.43, 82,259.32 and 18,814.38

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Solution

The fourth proportional to 54,838.43, 82,259.32 and 18,814.38 is: 28,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,838.43 : 82,259.32 = 18,814.38 : x
  2. Step 2: Convert to fraction form
    54,838.43/82,259.32 = 18,814.38/x
  3. Step 3: Cross multiply
    54,838.43x = 82,259.32 × 18,814.38
  4. Step 4: Simplify right side
    54,838.43x = 1,547,658,152.06
  5. Step 5: Solve for x
    x = 1,547,658,152.06/54,838.43
  6. Step 6: Final answer
    x = 28,222.15

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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.