Home / 29,355.06-40,512.71-16,777.38

Finding the Fourth Proportional to 29,355.06, 40,512.71 and 16,777.38

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Solution

The fourth proportional to 29,355.06, 40,512.71 and 16,777.38 is: 23,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,355.06 : 40,512.71 = 16,777.38 : x
  2. Step 2: Convert to fraction form
    29,355.06/40,512.71 = 16,777.38/x
  3. Step 3: Cross multiply
    29,355.06x = 40,512.71 × 16,777.38
  4. Step 4: Simplify right side
    29,355.06x = 679,697,130.50
  5. Step 5: Solve for x
    x = 679,697,130.50/29,355.06
  6. Step 6: Final answer
    x = 23,154.34

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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.