Home / 35,123.87-48,470.90-19,208.31

Finding the Fourth Proportional to 35,123.87, 48,470.90 and 19,208.31

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Solution

The fourth proportional to 35,123.87, 48,470.90 and 19,208.31 is: 26,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,123.87 : 48,470.90 = 19,208.31 : x
  2. Step 2: Convert to fraction form
    35,123.87/48,470.90 = 19,208.31/x
  3. Step 3: Cross multiply
    35,123.87x = 48,470.90 × 19,208.31
  4. Step 4: Simplify right side
    35,123.87x = 931,043,977.14
  5. Step 5: Solve for x
    x = 931,043,977.14/35,123.87
  6. Step 6: Final answer
    x = 26,507.45

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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.