Home / 58,278.40-87,439.68-34,921.60

Finding the Fourth Proportional to 58,278.40, 87,439.68 and 34,921.60

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Solution

The fourth proportional to 58,278.40, 87,439.68 and 34,921.60 is: 52,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,278.40 : 87,439.68 = 34,921.60 : x
  2. Step 2: Convert to fraction form
    58,278.40/87,439.68 = 34,921.60/x
  3. Step 3: Cross multiply
    58,278.40x = 87,439.68 × 34,921.60
  4. Step 4: Simplify right side
    58,278.40x = 3,053,533,529.09
  5. Step 5: Solve for x
    x = 3,053,533,529.09/58,278.40
  6. Step 6: Final answer
    x = 52,395.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.