Home / 31,637.53-47,455.10-7,945.23

Finding the Fourth Proportional to 31,637.53, 47,455.10 and 7,945.23

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Solution

The fourth proportional to 31,637.53, 47,455.10 and 7,945.23 is: 11,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.53 : 47,455.10 = 7,945.23 : x
  2. Step 2: Convert to fraction form
    31,637.53/47,455.10 = 7,945.23/x
  3. Step 3: Cross multiply
    31,637.53x = 47,455.10 × 7,945.23
  4. Step 4: Simplify right side
    31,637.53x = 377,041,684.17
  5. Step 5: Solve for x
    x = 377,041,684.17/31,637.53
  6. Step 6: Final answer
    x = 11,917.54

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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.