Home / 31,054.10-46,566.81-9,990.23

Finding the Fourth Proportional to 31,054.10, 46,566.81 and 9,990.23

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Solution

The fourth proportional to 31,054.10, 46,566.81 and 9,990.23 is: 14,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054.10 : 46,566.81 = 9,990.23 : x
  2. Step 2: Convert to fraction form
    31,054.10/46,566.81 = 9,990.23/x
  3. Step 3: Cross multiply
    31,054.10x = 46,566.81 × 9,990.23
  4. Step 4: Simplify right side
    31,054.10x = 465,212,909.43
  5. Step 5: Solve for x
    x = 465,212,909.43/31,054.10
  6. Step 6: Final answer
    x = 14,980.73

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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.