Home / 37,239.78-55,886.32-13,547.28

Finding the Fourth Proportional to 37,239.78, 55,886.32 and 13,547.28

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Solution

The fourth proportional to 37,239.78, 55,886.32 and 13,547.28 is: 20,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,239.78 : 55,886.32 = 13,547.28 : x
  2. Step 2: Convert to fraction form
    37,239.78/55,886.32 = 13,547.28/x
  3. Step 3: Cross multiply
    37,239.78x = 55,886.32 × 13,547.28
  4. Step 4: Simplify right side
    37,239.78x = 757,107,625.21
  5. Step 5: Solve for x
    x = 757,107,625.21/37,239.78
  6. Step 6: Final answer
    x = 20,330.61

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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.