Home / 35,279.62-48,693.42-21,140.66

Finding the Fourth Proportional to 35,279.62, 48,693.42 and 21,140.66

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Solution

The fourth proportional to 35,279.62, 48,693.42 and 21,140.66 is: 29,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.62 : 48,693.42 = 21,140.66 : x
  2. Step 2: Convert to fraction form
    35,279.62/48,693.42 = 21,140.66/x
  3. Step 3: Cross multiply
    35,279.62x = 48,693.42 × 21,140.66
  4. Step 4: Simplify right side
    35,279.62x = 1,029,411,158.19
  5. Step 5: Solve for x
    x = 1,029,411,158.19/35,279.62
  6. Step 6: Final answer
    x = 29,178.64

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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.