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Finding the Fourth Proportional to 32,898.80, 45,397.58 and 19,467.71

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Solution

The fourth proportional to 32,898.80, 45,397.58 and 19,467.71 is: 26,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,898.80 : 45,397.58 = 19,467.71 : x
  2. Step 2: Convert to fraction form
    32,898.80/45,397.58 = 19,467.71/x
  3. Step 3: Cross multiply
    32,898.80x = 45,397.58 × 19,467.71
  4. Step 4: Simplify right side
    32,898.80x = 883,786,597.82
  5. Step 5: Solve for x
    x = 883,786,597.82/32,898.80
  6. Step 6: Final answer
    x = 26,863.80

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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.