Home / 29,613.32-40,810.14-21,215.24

Finding the Fourth Proportional to 29,613.32, 40,810.14 and 21,215.24

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Solution

The fourth proportional to 29,613.32, 40,810.14 and 21,215.24 is: 29,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,613.32 : 40,810.14 = 21,215.24 : x
  2. Step 2: Convert to fraction form
    29,613.32/40,810.14 = 21,215.24/x
  3. Step 3: Cross multiply
    29,613.32x = 40,810.14 × 21,215.24
  4. Step 4: Simplify right side
    29,613.32x = 865,796,914.53
  5. Step 5: Solve for x
    x = 865,796,914.53/29,613.32
  6. Step 6: Final answer
    x = 29,236.74

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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.