Home / 43,035.60-59,356.24-31,138.32

Finding the Fourth Proportional to 43,035.60, 59,356.24 and 31,138.32

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Solution

The fourth proportional to 43,035.60, 59,356.24 and 31,138.32 is: 42,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,035.60 : 59,356.24 = 31,138.32 : x
  2. Step 2: Convert to fraction form
    43,035.60/59,356.24 = 31,138.32/x
  3. Step 3: Cross multiply
    43,035.60x = 59,356.24 × 31,138.32
  4. Step 4: Simplify right side
    43,035.60x = 1,848,253,595.12
  5. Step 5: Solve for x
    x = 1,848,253,595.12/43,035.60
  6. Step 6: Final answer
    x = 42,947.09

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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.