Home / 37,730.72-56,592.81-12,770.21

Finding the Fourth Proportional to 37,730.72, 56,592.81 and 12,770.21

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Solution

The fourth proportional to 37,730.72, 56,592.81 and 12,770.21 is: 19,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,730.72 : 56,592.81 = 12,770.21 : x
  2. Step 2: Convert to fraction form
    37,730.72/56,592.81 = 12,770.21/x
  3. Step 3: Cross multiply
    37,730.72x = 56,592.81 × 12,770.21
  4. Step 4: Simplify right side
    37,730.72x = 722,702,068.19
  5. Step 5: Solve for x
    x = 722,702,068.19/37,730.72
  6. Step 6: Final answer
    x = 19,154.21

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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.