Home / 37,774.62-52,129.35-21,007.74

Finding the Fourth Proportional to 37,774.62, 52,129.35 and 21,007.74

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Solution

The fourth proportional to 37,774.62, 52,129.35 and 21,007.74 is: 28,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,774.62 : 52,129.35 = 21,007.74 : x
  2. Step 2: Convert to fraction form
    37,774.62/52,129.35 = 21,007.74/x
  3. Step 3: Cross multiply
    37,774.62x = 52,129.35 × 21,007.74
  4. Step 4: Simplify right side
    37,774.62x = 1,095,119,831.17
  5. Step 5: Solve for x
    x = 1,095,119,831.17/37,774.62
  6. Step 6: Final answer
    x = 28,990.89

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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.