Home / 31,316.35-46,979.39-10,538.23

Finding the Fourth Proportional to 31,316.35, 46,979.39 and 10,538.23

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Solution

The fourth proportional to 31,316.35, 46,979.39 and 10,538.23 is: 15,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.35 : 46,979.39 = 10,538.23 : x
  2. Step 2: Convert to fraction form
    31,316.35/46,979.39 = 10,538.23/x
  3. Step 3: Cross multiply
    31,316.35x = 46,979.39 × 10,538.23
  4. Step 4: Simplify right side
    31,316.35x = 495,079,617.08
  5. Step 5: Solve for x
    x = 495,079,617.08/31,316.35
  6. Step 6: Final answer
    x = 15,808.98

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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.