Home / 37,218.99-51,365.36-20,455.47

Finding the Fourth Proportional to 37,218.99, 51,365.36 and 20,455.47

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Solution

The fourth proportional to 37,218.99, 51,365.36 and 20,455.47 is: 28,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.99 : 51,365.36 = 20,455.47 : x
  2. Step 2: Convert to fraction form
    37,218.99/51,365.36 = 20,455.47/x
  3. Step 3: Cross multiply
    37,218.99x = 51,365.36 × 20,455.47
  4. Step 4: Simplify right side
    37,218.99x = 1,050,702,478.24
  5. Step 5: Solve for x
    x = 1,050,702,478.24/37,218.99
  6. Step 6: Final answer
    x = 28,230.28

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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.