Home / 35,344.62-48,776.67-19,428.78

Finding the Fourth Proportional to 35,344.62, 48,776.67 and 19,428.78

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Solution

The fourth proportional to 35,344.62, 48,776.67 and 19,428.78 is: 26,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,344.62 : 48,776.67 = 19,428.78 : x
  2. Step 2: Convert to fraction form
    35,344.62/48,776.67 = 19,428.78/x
  3. Step 3: Cross multiply
    35,344.62x = 48,776.67 × 19,428.78
  4. Step 4: Simplify right side
    35,344.62x = 947,671,190.56
  5. Step 5: Solve for x
    x = 947,671,190.56/35,344.62
  6. Step 6: Final answer
    x = 26,812.32

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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.