Home / 35,349.84-48,781.68-19,432.80

Finding the Fourth Proportional to 35,349.84, 48,781.68 and 19,432.80

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Solution

The fourth proportional to 35,349.84, 48,781.68 and 19,432.80 is: 26,816.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349.84 : 48,781.68 = 19,432.80 : x
  2. Step 2: Convert to fraction form
    35,349.84/48,781.68 = 19,432.80/x
  3. Step 3: Cross multiply
    35,349.84x = 48,781.68 × 19,432.80
  4. Step 4: Simplify right side
    35,349.84x = 947,964,631.10
  5. Step 5: Solve for x
    x = 947,964,631.10/35,349.84
  6. Step 6: Final answer
    x = 26,816.66

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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.