Home / 29,448.50-40,640.00-16,875.68

Finding the Fourth Proportional to 29,448.50, 40,640.00 and 16,875.68

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Solution

The fourth proportional to 29,448.50, 40,640.00 and 16,875.68 is: 23,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,448.50 : 40,640.00 = 16,875.68 : x
  2. Step 2: Convert to fraction form
    29,448.50/40,640.00 = 16,875.68/x
  3. Step 3: Cross multiply
    29,448.50x = 40,640.00 × 16,875.68
  4. Step 4: Simplify right side
    29,448.50x = 685,827,347.62
  5. Step 5: Solve for x
    x = 685,827,347.62/29,448.50
  6. Step 6: Final answer
    x = 23,289.05

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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.