Home / 31,129.08-46,701.78-10,352.76

Finding the Fourth Proportional to 31,129.08, 46,701.78 and 10,352.76

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Solution

The fourth proportional to 31,129.08, 46,701.78 and 10,352.76 is: 15,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129.08 : 46,701.78 = 10,352.76 : x
  2. Step 2: Convert to fraction form
    31,129.08/46,701.78 = 10,352.76/x
  3. Step 3: Cross multiply
    31,129.08x = 46,701.78 × 10,352.76
  4. Step 4: Simplify right side
    31,129.08x = 483,492,319.91
  5. Step 5: Solve for x
    x = 483,492,319.91/31,129.08
  6. Step 6: Final answer
    x = 15,531.85

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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.