Home / 31,571.03-47,323.23-10,505.45

Finding the Fourth Proportional to 31,571.03, 47,323.23 and 10,505.45

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Solution

The fourth proportional to 31,571.03, 47,323.23 and 10,505.45 is: 15,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571.03 : 47,323.23 = 10,505.45 : x
  2. Step 2: Convert to fraction form
    31,571.03/47,323.23 = 10,505.45/x
  3. Step 3: Cross multiply
    31,571.03x = 47,323.23 × 10,505.45
  4. Step 4: Simplify right side
    31,571.03x = 497,151,589.99
  5. Step 5: Solve for x
    x = 497,151,589.99/31,571.03
  6. Step 6: Final answer
    x = 15,747.08

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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.