Home / 29,491.36-40,697.76-16,918.08

Finding the Fourth Proportional to 29,491.36, 40,697.76 and 16,918.08

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Solution

The fourth proportional to 29,491.36, 40,697.76 and 16,918.08 is: 23,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,491.36 : 40,697.76 = 16,918.08 : x
  2. Step 2: Convert to fraction form
    29,491.36/40,697.76 = 16,918.08/x
  3. Step 3: Cross multiply
    29,491.36x = 40,697.76 × 16,918.08
  4. Step 4: Simplify right side
    29,491.36x = 688,527,959.50
  5. Step 5: Solve for x
    x = 688,527,959.50/29,491.36
  6. Step 6: Final answer
    x = 23,346.77

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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.