Home / 31,683.02-47,490.35-20,597.66

Finding the Fourth Proportional to 31,683.02, 47,490.35 and 20,597.66

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Solution

The fourth proportional to 31,683.02, 47,490.35 and 20,597.66 is: 30,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.02 : 47,490.35 = 20,597.66 : x
  2. Step 2: Convert to fraction form
    31,683.02/47,490.35 = 20,597.66/x
  3. Step 3: Cross multiply
    31,683.02x = 47,490.35 × 20,597.66
  4. Step 4: Simplify right side
    31,683.02x = 978,189,742.14
  5. Step 5: Solve for x
    x = 978,189,742.14/31,683.02
  6. Step 6: Final answer
    x = 30,874.26

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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.