Home / 38,295.71-52,847.16-21,299.91

Finding the Fourth Proportional to 38,295.71, 52,847.16 and 21,299.91

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Solution

The fourth proportional to 38,295.71, 52,847.16 and 21,299.91 is: 29,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,295.71 : 52,847.16 = 21,299.91 : x
  2. Step 2: Convert to fraction form
    38,295.71/52,847.16 = 21,299.91/x
  3. Step 3: Cross multiply
    38,295.71x = 52,847.16 × 21,299.91
  4. Step 4: Simplify right side
    38,295.71x = 1,125,639,751.76
  5. Step 5: Solve for x
    x = 1,125,639,751.76/38,295.71
  6. Step 6: Final answer
    x = 29,393.36

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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.