Home / 31,486.36-47,230.34-10,426.36

Finding the Fourth Proportional to 31,486.36, 47,230.34 and 10,426.36

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Solution

The fourth proportional to 31,486.36, 47,230.34 and 10,426.36 is: 15,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.36 : 47,230.34 = 10,426.36 : x
  2. Step 2: Convert to fraction form
    31,486.36/47,230.34 = 10,426.36/x
  3. Step 3: Cross multiply
    31,486.36x = 47,230.34 × 10,426.36
  4. Step 4: Simplify right side
    31,486.36x = 492,440,527.76
  5. Step 5: Solve for x
    x = 492,440,527.76/31,486.36
  6. Step 6: Final answer
    x = 15,639.80

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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.