Home / 55,445.13-76,514.34-30,294.63

Finding the Fourth Proportional to 55,445.13, 76,514.34 and 30,294.63

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Solution

The fourth proportional to 55,445.13, 76,514.34 and 30,294.63 is: 41,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,445.13 : 76,514.34 = 30,294.63 : x
  2. Step 2: Convert to fraction form
    55,445.13/76,514.34 = 30,294.63/x
  3. Step 3: Cross multiply
    55,445.13x = 76,514.34 × 30,294.63
  4. Step 4: Simplify right side
    55,445.13x = 2,317,973,619.99
  5. Step 5: Solve for x
    x = 2,317,973,619.99/55,445.13
  6. Step 6: Final answer
    x = 41,806.62

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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.