Home / 42,621.28-58,821.84-25,631.08

Finding the Fourth Proportional to 42,621.28, 58,821.84 and 25,631.08

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Solution

The fourth proportional to 42,621.28, 58,821.84 and 25,631.08 is: 35,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,621.28 : 58,821.84 = 25,631.08 : x
  2. Step 2: Convert to fraction form
    42,621.28/58,821.84 = 25,631.08/x
  3. Step 3: Cross multiply
    42,621.28x = 58,821.84 × 25,631.08
  4. Step 4: Simplify right side
    42,621.28x = 1,507,667,286.79
  5. Step 5: Solve for x
    x = 1,507,667,286.79/42,621.28
  6. Step 6: Final answer
    x = 35,373.58

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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.