Home / 35,043.48-48,359.22-19,128.20

Finding the Fourth Proportional to 35,043.48, 48,359.22 and 19,128.20

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Solution

The fourth proportional to 35,043.48, 48,359.22 and 19,128.20 is: 26,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,043.48 : 48,359.22 = 19,128.20 : x
  2. Step 2: Convert to fraction form
    35,043.48/48,359.22 = 19,128.20/x
  3. Step 3: Cross multiply
    35,043.48x = 48,359.22 × 19,128.20
  4. Step 4: Simplify right side
    35,043.48x = 925,024,590.21
  5. Step 5: Solve for x
    x = 925,024,590.21/35,043.48
  6. Step 6: Final answer
    x = 26,396.48

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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.