Home / 31,986.23-47,989.97-9,799.83

Finding the Fourth Proportional to 31,986.23, 47,989.97 and 9,799.83

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Solution

The fourth proportional to 31,986.23, 47,989.97 and 9,799.83 is: 14,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.23 : 47,989.97 = 9,799.83 : x
  2. Step 2: Convert to fraction form
    31,986.23/47,989.97 = 9,799.83/x
  3. Step 3: Cross multiply
    31,986.23x = 47,989.97 × 9,799.83
  4. Step 4: Simplify right side
    31,986.23x = 470,293,547.71
  5. Step 5: Solve for x
    x = 470,293,547.71/31,986.23
  6. Step 6: Final answer
    x = 14,703.00

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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.