Home / 53,437.38-80,130.18-21,834.89

Finding the Fourth Proportional to 53,437.38, 80,130.18 and 21,834.89

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Solution

The fourth proportional to 53,437.38, 80,130.18 and 21,834.89 is: 32,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,437.38 : 80,130.18 = 21,834.89 : x
  2. Step 2: Convert to fraction form
    53,437.38/80,130.18 = 21,834.89/x
  3. Step 3: Cross multiply
    53,437.38x = 80,130.18 × 21,834.89
  4. Step 4: Simplify right side
    53,437.38x = 1,749,633,265.33
  5. Step 5: Solve for x
    x = 1,749,633,265.33/53,437.38
  6. Step 6: Final answer
    x = 32,741.75

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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.