Home / 53,390.07-80,090.55-18,325.17

Finding the Fourth Proportional to 53,390.07, 80,090.55 and 18,325.17

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Solution

The fourth proportional to 53,390.07, 80,090.55 and 18,325.17 is: 27,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.07 : 80,090.55 = 18,325.17 : x
  2. Step 2: Convert to fraction form
    53,390.07/80,090.55 = 18,325.17/x
  3. Step 3: Cross multiply
    53,390.07x = 80,090.55 × 18,325.17
  4. Step 4: Simplify right side
    53,390.07x = 1,467,672,944.14
  5. Step 5: Solve for x
    x = 1,467,672,944.14/53,390.07
  6. Step 6: Final answer
    x = 27,489.62

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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.