Home / 31,750.84-47,628.61-10,690.79

Finding the Fourth Proportional to 31,750.84, 47,628.61 and 10,690.79

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Solution

The fourth proportional to 31,750.84, 47,628.61 and 10,690.79 is: 16,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750.84 : 47,628.61 = 10,690.79 : x
  2. Step 2: Convert to fraction form
    31,750.84/47,628.61 = 10,690.79/x
  3. Step 3: Cross multiply
    31,750.84x = 47,628.61 × 10,690.79
  4. Step 4: Simplify right side
    31,750.84x = 509,187,202.63
  5. Step 5: Solve for x
    x = 509,187,202.63/31,750.84
  6. Step 6: Final answer
    x = 16,036.97

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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.