Home / 35,221.31-48,606.91-21,071.42

Finding the Fourth Proportional to 35,221.31, 48,606.91 and 21,071.42

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Solution

The fourth proportional to 35,221.31, 48,606.91 and 21,071.42 is: 29,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221.31 : 48,606.91 = 21,071.42 : x
  2. Step 2: Convert to fraction form
    35,221.31/48,606.91 = 21,071.42/x
  3. Step 3: Cross multiply
    35,221.31x = 48,606.91 × 21,071.42
  4. Step 4: Simplify right side
    35,221.31x = 1,024,216,319.80
  5. Step 5: Solve for x
    x = 1,024,216,319.80/35,221.31
  6. Step 6: Final answer
    x = 29,079.45

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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.