Home / 37,631.12-56,407.16-12,662.50

Finding the Fourth Proportional to 37,631.12, 56,407.16 and 12,662.50

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Solution

The fourth proportional to 37,631.12, 56,407.16 and 12,662.50 is: 18,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631.12 : 56,407.16 = 12,662.50 : x
  2. Step 2: Convert to fraction form
    37,631.12/56,407.16 = 12,662.50/x
  3. Step 3: Cross multiply
    37,631.12x = 56,407.16 × 12,662.50
  4. Step 4: Simplify right side
    37,631.12x = 714,255,554.14
  5. Step 5: Solve for x
    x = 714,255,554.14/37,631.12
  6. Step 6: Final answer
    x = 18,980.45

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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.