Home / 29,473.90-40,667.63-18,861.48

Finding the Fourth Proportional to 29,473.90, 40,667.63 and 18,861.48

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Solution

The fourth proportional to 29,473.90, 40,667.63 and 18,861.48 is: 26,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,473.90 : 40,667.63 = 18,861.48 : x
  2. Step 2: Convert to fraction form
    29,473.90/40,667.63 = 18,861.48/x
  3. Step 3: Cross multiply
    29,473.90x = 40,667.63 × 18,861.48
  4. Step 4: Simplify right side
    29,473.90x = 767,051,595.59
  5. Step 5: Solve for x
    x = 767,051,595.59/29,473.90
  6. Step 6: Final answer
    x = 26,024.78

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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.