Home / 31,130.26-46,695.78-10,353.76

Finding the Fourth Proportional to 31,130.26, 46,695.78 and 10,353.76

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Solution

The fourth proportional to 31,130.26, 46,695.78 and 10,353.76 is: 15,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,130.26 : 46,695.78 = 10,353.76 : x
  2. Step 2: Convert to fraction form
    31,130.26/46,695.78 = 10,353.76/x
  3. Step 3: Cross multiply
    31,130.26x = 46,695.78 × 10,353.76
  4. Step 4: Simplify right side
    31,130.26x = 483,476,899.13
  5. Step 5: Solve for x
    x = 483,476,899.13/31,130.26
  6. Step 6: Final answer
    x = 15,530.77

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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.