Home / 31,316.85-46,980.14-10,538.73

Finding the Fourth Proportional to 31,316.85, 46,980.14 and 10,538.73

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Solution

The fourth proportional to 31,316.85, 46,980.14 and 10,538.73 is: 15,809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.85 : 46,980.14 = 10,538.73 : x
  2. Step 2: Convert to fraction form
    31,316.85/46,980.14 = 10,538.73/x
  3. Step 3: Cross multiply
    31,316.85x = 46,980.14 × 10,538.73
  4. Step 4: Simplify right side
    31,316.85x = 495,110,958.13
  5. Step 5: Solve for x
    x = 495,110,958.13/31,316.85
  6. Step 6: Final answer
    x = 15,809.73

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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.