Home / 34,170.64-47,124.83-21,425.22

Finding the Fourth Proportional to 34,170.64, 47,124.83 and 21,425.22

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Solution

The fourth proportional to 34,170.64, 47,124.83 and 21,425.22 is: 29,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.64 : 47,124.83 = 21,425.22 : x
  2. Step 2: Convert to fraction form
    34,170.64/47,124.83 = 21,425.22/x
  3. Step 3: Cross multiply
    34,170.64x = 47,124.83 × 21,425.22
  4. Step 4: Simplify right side
    34,170.64x = 1,009,659,710.98
  5. Step 5: Solve for x
    x = 1,009,659,710.98/34,170.64
  6. Step 6: Final answer
    x = 29,547.58

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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.