Home / 31,440.89-47,166.02-10,383.16

Finding the Fourth Proportional to 31,440.89, 47,166.02 and 10,383.16

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Solution

The fourth proportional to 31,440.89, 47,166.02 and 10,383.16 is: 15,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.89 : 47,166.02 = 10,383.16 : x
  2. Step 2: Convert to fraction form
    31,440.89/47,166.02 = 10,383.16/x
  3. Step 3: Cross multiply
    31,440.89x = 47,166.02 × 10,383.16
  4. Step 4: Simplify right side
    31,440.89x = 489,732,332.22
  5. Step 5: Solve for x
    x = 489,732,332.22/31,440.89
  6. Step 6: Final answer
    x = 15,576.29

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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.