Home / 31,789.02-47,683.18-7,773.53

Finding the Fourth Proportional to 31,789.02, 47,683.18 and 7,773.53

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Solution

The fourth proportional to 31,789.02, 47,683.18 and 7,773.53 is: 11,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.02 : 47,683.18 = 7,773.53 : x
  2. Step 2: Convert to fraction form
    31,789.02/47,683.18 = 7,773.53/x
  3. Step 3: Cross multiply
    31,789.02x = 47,683.18 × 7,773.53
  4. Step 4: Simplify right side
    31,789.02x = 370,666,591.36
  5. Step 5: Solve for x
    x = 370,666,591.36/31,789.02
  6. Step 6: Final answer
    x = 11,660.21

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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.