Home / 58,039.20-87,058.80-18,600.30

Finding the Fourth Proportional to 58,039.20, 87,058.80 and 18,600.30

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Solution

The fourth proportional to 58,039.20, 87,058.80 and 18,600.30 is: 27,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,039.20 : 87,058.80 = 18,600.30 : x
  2. Step 2: Convert to fraction form
    58,039.20/87,058.80 = 18,600.30/x
  3. Step 3: Cross multiply
    58,039.20x = 87,058.80 × 18,600.30
  4. Step 4: Simplify right side
    58,039.20x = 1,619,319,797.64
  5. Step 5: Solve for x
    x = 1,619,319,797.64/58,039.20
  6. Step 6: Final answer
    x = 27,900.45

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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.