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Finding the Fourth Proportional to 36,602.10, 54,903.15 and 14,403.42

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Solution

The fourth proportional to 36,602.10, 54,903.15 and 14,403.42 is: 21,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,602.10 : 54,903.15 = 14,403.42 : x
  2. Step 2: Convert to fraction form
    36,602.10/54,903.15 = 14,403.42/x
  3. Step 3: Cross multiply
    36,602.10x = 54,903.15 × 14,403.42
  4. Step 4: Simplify right side
    36,602.10x = 790,793,128.77
  5. Step 5: Solve for x
    x = 790,793,128.77/36,602.10
  6. Step 6: Final answer
    x = 21,605.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.