Home / 29,637.78-40,898.76-16,209.60

Finding the Fourth Proportional to 29,637.78, 40,898.76 and 16,209.60

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Solution

The fourth proportional to 29,637.78, 40,898.76 and 16,209.60 is: 22,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,637.78 : 40,898.76 = 16,209.60 : x
  2. Step 2: Convert to fraction form
    29,637.78/40,898.76 = 16,209.60/x
  3. Step 3: Cross multiply
    29,637.78x = 40,898.76 × 16,209.60
  4. Step 4: Simplify right side
    29,637.78x = 662,952,540.10
  5. Step 5: Solve for x
    x = 662,952,540.10/29,637.78
  6. Step 6: Final answer
    x = 22,368.50

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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.