Home / 31,048.13-46,573.10-9,990.32

Finding the Fourth Proportional to 31,048.13, 46,573.10 and 9,990.32

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Solution

The fourth proportional to 31,048.13, 46,573.10 and 9,990.32 is: 14,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.13 : 46,573.10 = 9,990.32 : x
  2. Step 2: Convert to fraction form
    31,048.13/46,573.10 = 9,990.32/x
  3. Step 3: Cross multiply
    31,048.13x = 46,573.10 × 9,990.32
  4. Step 4: Simplify right side
    31,048.13x = 465,279,889.57
  5. Step 5: Solve for x
    x = 465,279,889.57/31,048.13
  6. Step 6: Final answer
    x = 14,985.76

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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.