Home / 38,944.80-58,410.72-12,646.26

Finding the Fourth Proportional to 38,944.80, 58,410.72 and 12,646.26

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Solution

The fourth proportional to 38,944.80, 58,410.72 and 12,646.26 is: 18,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,944.80 : 58,410.72 = 12,646.26 : x
  2. Step 2: Convert to fraction form
    38,944.80/58,410.72 = 12,646.26/x
  3. Step 3: Cross multiply
    38,944.80x = 58,410.72 × 12,646.26
  4. Step 4: Simplify right side
    38,944.80x = 738,677,151.91
  5. Step 5: Solve for x
    x = 738,677,151.91/38,944.80
  6. Step 6: Final answer
    x = 18,967.29

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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.