Home / 35,007.39-48,318.93-20,857.50

Finding the Fourth Proportional to 35,007.39, 48,318.93 and 20,857.50

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Solution

The fourth proportional to 35,007.39, 48,318.93 and 20,857.50 is: 28,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,007.39 : 48,318.93 = 20,857.50 : x
  2. Step 2: Convert to fraction form
    35,007.39/48,318.93 = 20,857.50/x
  3. Step 3: Cross multiply
    35,007.39x = 48,318.93 × 20,857.50
  4. Step 4: Simplify right side
    35,007.39x = 1,007,812,082.48
  5. Step 5: Solve for x
    x = 1,007,812,082.48/35,007.39
  6. Step 6: Final answer
    x = 28,788.55

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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.