Home / 37,188.08-51,314.38-21,875.32

Finding the Fourth Proportional to 37,188.08, 51,314.38 and 21,875.32

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Solution

The fourth proportional to 37,188.08, 51,314.38 and 21,875.32 is: 30,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,188.08 : 51,314.38 = 21,875.32 : x
  2. Step 2: Convert to fraction form
    37,188.08/51,314.38 = 21,875.32/x
  3. Step 3: Cross multiply
    37,188.08x = 51,314.38 × 21,875.32
  4. Step 4: Simplify right side
    37,188.08x = 1,122,518,483.10
  5. Step 5: Solve for x
    x = 1,122,518,483.10/37,188.08
  6. Step 6: Final answer
    x = 30,184.90

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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.