Home / 43,276.55-64,922.72-19,902.38

Finding the Fourth Proportional to 43,276.55, 64,922.72 and 19,902.38

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Solution

The fourth proportional to 43,276.55, 64,922.72 and 19,902.38 is: 29,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,276.55 : 64,922.72 = 19,902.38 : x
  2. Step 2: Convert to fraction form
    43,276.55/64,922.72 = 19,902.38/x
  3. Step 3: Cross multiply
    43,276.55x = 64,922.72 × 19,902.38
  4. Step 4: Simplify right side
    43,276.55x = 1,292,116,219.95
  5. Step 5: Solve for x
    x = 1,292,116,219.95/43,276.55
  6. Step 6: Final answer
    x = 29,857.19

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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.