Home / 31,487.09-47,237.58-10,433.70

Finding the Fourth Proportional to 31,487.09, 47,237.58 and 10,433.70

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Solution

The fourth proportional to 31,487.09, 47,237.58 and 10,433.70 is: 15,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,487.09 : 47,237.58 = 10,433.70 : x
  2. Step 2: Convert to fraction form
    31,487.09/47,237.58 = 10,433.70/x
  3. Step 3: Cross multiply
    31,487.09x = 47,237.58 × 10,433.70
  4. Step 4: Simplify right side
    31,487.09x = 492,862,738.45
  5. Step 5: Solve for x
    x = 492,862,738.45/31,487.09
  6. Step 6: Final answer
    x = 15,652.85

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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.