Home / 31,154.27-46,720.85-10,088.60

Finding the Fourth Proportional to 31,154.27, 46,720.85 and 10,088.60

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Solution

The fourth proportional to 31,154.27, 46,720.85 and 10,088.60 is: 15,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.27 : 46,720.85 = 10,088.60 : x
  2. Step 2: Convert to fraction form
    31,154.27/46,720.85 = 10,088.60/x
  3. Step 3: Cross multiply
    31,154.27x = 46,720.85 × 10,088.60
  4. Step 4: Simplify right side
    31,154.27x = 471,348,002.82
  5. Step 5: Solve for x
    x = 471,348,002.82/31,154.27
  6. Step 6: Final answer
    x = 15,129.48

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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.