Home / 31,518.24-47,234.16-30,572.16

Finding the Fourth Proportional to 31,518.24, 47,234.16 and 30,572.16

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Solution

The fourth proportional to 31,518.24, 47,234.16 and 30,572.16 is: 45,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.24 : 47,234.16 = 30,572.16 : x
  2. Step 2: Convert to fraction form
    31,518.24/47,234.16 = 30,572.16/x
  3. Step 3: Cross multiply
    31,518.24x = 47,234.16 × 30,572.16
  4. Step 4: Simplify right side
    31,518.24x = 1,444,050,296.99
  5. Step 5: Solve for x
    x = 1,444,050,296.99/31,518.24
  6. Step 6: Final answer
    x = 45,816.34

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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.