Home / 31,510.25-47,262.63-10,443.36

Finding the Fourth Proportional to 31,510.25, 47,262.63 and 10,443.36

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Solution

The fourth proportional to 31,510.25, 47,262.63 and 10,443.36 is: 15,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.25 : 47,262.63 = 10,443.36 : x
  2. Step 2: Convert to fraction form
    31,510.25/47,262.63 = 10,443.36/x
  3. Step 3: Cross multiply
    31,510.25x = 47,262.63 × 10,443.36
  4. Step 4: Simplify right side
    31,510.25x = 493,580,659.64
  5. Step 5: Solve for x
    x = 493,580,659.64/31,510.25
  6. Step 6: Final answer
    x = 15,664.13

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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.