Home / 31,510.89-47,276.35-9,324.37

Finding the Fourth Proportional to 31,510.89, 47,276.35 and 9,324.37

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Solution

The fourth proportional to 31,510.89, 47,276.35 and 9,324.37 is: 13,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.89 : 47,276.35 = 9,324.37 : x
  2. Step 2: Convert to fraction form
    31,510.89/47,276.35 = 9,324.37/x
  3. Step 3: Cross multiply
    31,510.89x = 47,276.35 × 9,324.37
  4. Step 4: Simplify right side
    31,510.89x = 440,822,309.50
  5. Step 5: Solve for x
    x = 440,822,309.50/31,510.89
  6. Step 6: Final answer
    x = 13,989.52

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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.