Home / 37,623.84-56,436.14-15,421.72

Finding the Fourth Proportional to 37,623.84, 56,436.14 and 15,421.72

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Solution

The fourth proportional to 37,623.84, 56,436.14 and 15,421.72 is: 23,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,623.84 : 56,436.14 = 15,421.72 : x
  2. Step 2: Convert to fraction form
    37,623.84/56,436.14 = 15,421.72/x
  3. Step 3: Cross multiply
    37,623.84x = 56,436.14 × 15,421.72
  4. Step 4: Simplify right side
    37,623.84x = 870,342,348.96
  5. Step 5: Solve for x
    x = 870,342,348.96/37,623.84
  6. Step 6: Final answer
    x = 23,132.74

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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.