Home / 53,590.29-80,337.87-20,287.14

Finding the Fourth Proportional to 53,590.29, 80,337.87 and 20,287.14

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Solution

The fourth proportional to 53,590.29, 80,337.87 and 20,287.14 is: 30,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590.29 : 80,337.87 = 20,287.14 : x
  2. Step 2: Convert to fraction form
    53,590.29/80,337.87 = 20,287.14/x
  3. Step 3: Cross multiply
    53,590.29x = 80,337.87 × 20,287.14
  4. Step 4: Simplify right side
    53,590.29x = 1,629,825,615.99
  5. Step 5: Solve for x
    x = 1,629,825,615.99/53,590.29
  6. Step 6: Final answer
    x = 30,412.70

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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.