Home / 35,296.24-48,710.40-21,148.78

Finding the Fourth Proportional to 35,296.24, 48,710.40 and 21,148.78

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Solution

The fourth proportional to 35,296.24, 48,710.40 and 21,148.78 is: 29,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,296.24 : 48,710.40 = 21,148.78 : x
  2. Step 2: Convert to fraction form
    35,296.24/48,710.40 = 21,148.78/x
  3. Step 3: Cross multiply
    35,296.24x = 48,710.40 × 21,148.78
  4. Step 4: Simplify right side
    35,296.24x = 1,030,165,533.31
  5. Step 5: Solve for x
    x = 1,030,165,533.31/35,296.24
  6. Step 6: Final answer
    x = 29,186.27

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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.