Home / 29,638.14-40,900.06-16,209.35

Finding the Fourth Proportional to 29,638.14, 40,900.06 and 16,209.35

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Solution

The fourth proportional to 29,638.14, 40,900.06 and 16,209.35 is: 22,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,638.14 : 40,900.06 = 16,209.35 : x
  2. Step 2: Convert to fraction form
    29,638.14/40,900.06 = 16,209.35/x
  3. Step 3: Cross multiply
    29,638.14x = 40,900.06 × 16,209.35
  4. Step 4: Simplify right side
    29,638.14x = 662,963,265.52
  5. Step 5: Solve for x
    x = 662,963,265.52/29,638.14
  6. Step 6: Final answer
    x = 22,368.59

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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.