Home / 29,630.45-40,893.86-16,888.28

Finding the Fourth Proportional to 29,630.45, 40,893.86 and 16,888.28

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Solution

The fourth proportional to 29,630.45, 40,893.86 and 16,888.28 is: 23,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,630.45 : 40,893.86 = 16,888.28 : x
  2. Step 2: Convert to fraction form
    29,630.45/40,893.86 = 16,888.28/x
  3. Step 3: Cross multiply
    29,630.45x = 40,893.86 × 16,888.28
  4. Step 4: Simplify right side
    29,630.45x = 690,626,795.71
  5. Step 5: Solve for x
    x = 690,626,795.71/29,630.45
  6. Step 6: Final answer
    x = 23,308.01

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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.