Home / 37,280.43-55,922.40-10,985.40

Finding the Fourth Proportional to 37,280.43, 55,922.40 and 10,985.40

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Solution

The fourth proportional to 37,280.43, 55,922.40 and 10,985.40 is: 16,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,280.43 : 55,922.40 = 10,985.40 : x
  2. Step 2: Convert to fraction form
    37,280.43/55,922.40 = 10,985.40/x
  3. Step 3: Cross multiply
    37,280.43x = 55,922.40 × 10,985.40
  4. Step 4: Simplify right side
    37,280.43x = 614,329,932.96
  5. Step 5: Solve for x
    x = 614,329,932.96/37,280.43
  6. Step 6: Final answer
    x = 16,478.62

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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.