Home / 58,238.06-87,294.78-30,129.80

Finding the Fourth Proportional to 58,238.06, 87,294.78 and 30,129.80

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Solution

The fourth proportional to 58,238.06, 87,294.78 and 30,129.80 is: 45,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,238.06 : 87,294.78 = 30,129.80 : x
  2. Step 2: Convert to fraction form
    58,238.06/87,294.78 = 30,129.80/x
  3. Step 3: Cross multiply
    58,238.06x = 87,294.78 × 30,129.80
  4. Step 4: Simplify right side
    58,238.06x = 2,630,174,480.68
  5. Step 5: Solve for x
    x = 2,630,174,480.68/58,238.06
  6. Step 6: Final answer
    x = 45,162.47

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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.