Home / 31,437.99-47,162.85-10,379.52

Finding the Fourth Proportional to 31,437.99, 47,162.85 and 10,379.52

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Solution

The fourth proportional to 31,437.99, 47,162.85 and 10,379.52 is: 15,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.99 : 47,162.85 = 10,379.52 : x
  2. Step 2: Convert to fraction form
    31,437.99/47,162.85 = 10,379.52/x
  3. Step 3: Cross multiply
    31,437.99x = 47,162.85 × 10,379.52
  4. Step 4: Simplify right side
    31,437.99x = 489,527,744.83
  5. Step 5: Solve for x
    x = 489,527,744.83/31,437.99
  6. Step 6: Final answer
    x = 15,571.22

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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.