Home / 31,510.36-47,274.81-9,324.33

Finding the Fourth Proportional to 31,510.36, 47,274.81 and 9,324.33

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Solution

The fourth proportional to 31,510.36, 47,274.81 and 9,324.33 is: 13,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.36 : 47,274.81 = 9,324.33 : x
  2. Step 2: Convert to fraction form
    31,510.36/47,274.81 = 9,324.33/x
  3. Step 3: Cross multiply
    31,510.36x = 47,274.81 × 9,324.33
  4. Step 4: Simplify right side
    31,510.36x = 440,805,929.13
  5. Step 5: Solve for x
    x = 440,805,929.13/31,510.36
  6. Step 6: Final answer
    x = 13,989.24

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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.