Home / 34,619.31-47,774.59-18,703.71

Finding the Fourth Proportional to 34,619.31, 47,774.59 and 18,703.71

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Solution

The fourth proportional to 34,619.31, 47,774.59 and 18,703.71 is: 25,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,619.31 : 47,774.59 = 18,703.71 : x
  2. Step 2: Convert to fraction form
    34,619.31/47,774.59 = 18,703.71/x
  3. Step 3: Cross multiply
    34,619.31x = 47,774.59 × 18,703.71
  4. Step 4: Simplify right side
    34,619.31x = 893,562,029.97
  5. Step 5: Solve for x
    x = 893,562,029.97/34,619.31
  6. Step 6: Final answer
    x = 25,811.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.