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Finding the Fourth Proportional to 37,257.45, 55,886.16 and 9,555.45

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Solution

The fourth proportional to 37,257.45, 55,886.16 and 9,555.45 is: 14,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,257.45 : 55,886.16 = 9,555.45 : x
  2. Step 2: Convert to fraction form
    37,257.45/55,886.16 = 9,555.45/x
  3. Step 3: Cross multiply
    37,257.45x = 55,886.16 × 9,555.45
  4. Step 4: Simplify right side
    37,257.45x = 534,017,407.57
  5. Step 5: Solve for x
    x = 534,017,407.57/37,257.45
  6. Step 6: Final answer
    x = 14,333.17

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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.