Home / 64,155.34-96,226.82-19,770.18

Finding the Fourth Proportional to 64,155.34, 96,226.82 and 19,770.18

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Solution

The fourth proportional to 64,155.34, 96,226.82 and 19,770.18 is: 29,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155.34 : 96,226.82 = 19,770.18 : x
  2. Step 2: Convert to fraction form
    64,155.34/96,226.82 = 19,770.18/x
  3. Step 3: Cross multiply
    64,155.34x = 96,226.82 × 19,770.18
  4. Step 4: Simplify right side
    64,155.34x = 1,902,421,021.67
  5. Step 5: Solve for x
    x = 1,902,421,021.67/64,155.34
  6. Step 6: Final answer
    x = 29,653.35

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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.