Home / 35,921.32-53,906.61-12,547.75

Finding the Fourth Proportional to 35,921.32, 53,906.61 and 12,547.75

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Solution

The fourth proportional to 35,921.32, 53,906.61 and 12,547.75 is: 18,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,921.32 : 53,906.61 = 12,547.75 : x
  2. Step 2: Convert to fraction form
    35,921.32/53,906.61 = 12,547.75/x
  3. Step 3: Cross multiply
    35,921.32x = 53,906.61 × 12,547.75
  4. Step 4: Simplify right side
    35,921.32x = 676,406,665.63
  5. Step 5: Solve for x
    x = 676,406,665.63/35,921.32
  6. Step 6: Final answer
    x = 18,830.23

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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.