Home / 31,240.79-46,856.36-10,180.77

Finding the Fourth Proportional to 31,240.79, 46,856.36 and 10,180.77

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Solution

The fourth proportional to 31,240.79, 46,856.36 and 10,180.77 is: 15,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,240.79 : 46,856.36 = 10,180.77 : x
  2. Step 2: Convert to fraction form
    31,240.79/46,856.36 = 10,180.77/x
  3. Step 3: Cross multiply
    31,240.79x = 46,856.36 × 10,180.77
  4. Step 4: Simplify right side
    31,240.79x = 477,033,811.47
  5. Step 5: Solve for x
    x = 477,033,811.47/31,240.79
  6. Step 6: Final answer
    x = 15,269.58

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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.