Home / 30,345.86-41,875.52-23,180.67

Finding the Fourth Proportional to 30,345.86, 41,875.52 and 23,180.67

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Solution

The fourth proportional to 30,345.86, 41,875.52 and 23,180.67 is: 31,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.86 : 41,875.52 = 23,180.67 : x
  2. Step 2: Convert to fraction form
    30,345.86/41,875.52 = 23,180.67/x
  3. Step 3: Cross multiply
    30,345.86x = 41,875.52 × 23,180.67
  4. Step 4: Simplify right side
    30,345.86x = 970,702,494.30
  5. Step 5: Solve for x
    x = 970,702,494.30/30,345.86
  6. Step 6: Final answer
    x = 31,987.97

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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.