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Finding the Fourth Proportional to 29,484, 40,722.48 and 19,530.72

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Solution

The fourth proportional to 29,484, 40,722.48 and 19,530.72 is: 26,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,484 : 40,722.48 = 19,530.72 : x
  2. Step 2: Convert to fraction form
    29,484/40,722.48 = 19,530.72/x
  3. Step 3: Cross multiply
    29,484x = 40,722.48 × 19,530.72
  4. Step 4: Simplify right side
    29,484x = 795,339,354.59
  5. Step 5: Solve for x
    x = 795,339,354.59/29,484
  6. Step 6: Final answer
    x = 26,975.29

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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.