Home / 37,378.96-56,068.08-12,420.83

Finding the Fourth Proportional to 37,378.96, 56,068.08 and 12,420.83

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Solution

The fourth proportional to 37,378.96, 56,068.08 and 12,420.83 is: 18,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.96 : 56,068.08 = 12,420.83 : x
  2. Step 2: Convert to fraction form
    37,378.96/56,068.08 = 12,420.83/x
  3. Step 3: Cross multiply
    37,378.96x = 56,068.08 × 12,420.83
  4. Step 4: Simplify right side
    37,378.96x = 696,412,090.11
  5. Step 5: Solve for x
    x = 696,412,090.11/37,378.96
  6. Step 6: Final answer
    x = 18,631.13

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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.