Home / 42,388.79-58,349.64-36,643.51

Finding the Fourth Proportional to 42,388.79, 58,349.64 and 36,643.51

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Solution

The fourth proportional to 42,388.79, 58,349.64 and 36,643.51 is: 50,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,388.79 : 58,349.64 = 36,643.51 : x
  2. Step 2: Convert to fraction form
    42,388.79/58,349.64 = 36,643.51/x
  3. Step 3: Cross multiply
    42,388.79x = 58,349.64 × 36,643.51
  4. Step 4: Simplify right side
    42,388.79x = 2,138,135,616.84
  5. Step 5: Solve for x
    x = 2,138,135,616.84/42,388.79
  6. Step 6: Final answer
    x = 50,441.06

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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.