Home / 31,629.18-47,471.04-17,603.22

Finding the Fourth Proportional to 31,629.18, 47,471.04 and 17,603.22

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Solution

The fourth proportional to 31,629.18, 47,471.04 and 17,603.22 is: 26,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.18 : 47,471.04 = 17,603.22 : x
  2. Step 2: Convert to fraction form
    31,629.18/47,471.04 = 17,603.22/x
  3. Step 3: Cross multiply
    31,629.18x = 47,471.04 × 17,603.22
  4. Step 4: Simplify right side
    31,629.18x = 835,643,160.75
  5. Step 5: Solve for x
    x = 835,643,160.75/31,629.18
  6. Step 6: Final answer
    x = 26,420.01

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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.