Home / 29,122.96-40,189.66-16,547.72

Finding the Fourth Proportional to 29,122.96, 40,189.66 and 16,547.72

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Solution

The fourth proportional to 29,122.96, 40,189.66 and 16,547.72 is: 22,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.96 : 40,189.66 = 16,547.72 : x
  2. Step 2: Convert to fraction form
    29,122.96/40,189.66 = 16,547.72/x
  3. Step 3: Cross multiply
    29,122.96x = 40,189.66 × 16,547.72
  4. Step 4: Simplify right side
    29,122.96x = 665,047,240.58
  5. Step 5: Solve for x
    x = 665,047,240.58/29,122.96
  6. Step 6: Final answer
    x = 22,835.84

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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.