Home / 37,570.68-56,318.94-20,938.53

Finding the Fourth Proportional to 37,570.68, 56,318.94 and 20,938.53

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Solution

The fourth proportional to 37,570.68, 56,318.94 and 20,938.53 is: 31,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,570.68 : 56,318.94 = 20,938.53 : x
  2. Step 2: Convert to fraction form
    37,570.68/56,318.94 = 20,938.53/x
  3. Step 3: Cross multiply
    37,570.68x = 56,318.94 × 20,938.53
  4. Step 4: Simplify right side
    37,570.68x = 1,179,235,814.76
  5. Step 5: Solve for x
    x = 1,179,235,814.76/37,570.68
  6. Step 6: Final answer
    x = 31,387.13

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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.