Home / 38,320.57-52,878.22-21,322.14

Finding the Fourth Proportional to 38,320.57, 52,878.22 and 21,322.14

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Solution

The fourth proportional to 38,320.57, 52,878.22 and 21,322.14 is: 29,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.57 : 52,878.22 = 21,322.14 : x
  2. Step 2: Convert to fraction form
    38,320.57/52,878.22 = 21,322.14/x
  3. Step 3: Cross multiply
    38,320.57x = 52,878.22 × 21,322.14
  4. Step 4: Simplify right side
    38,320.57x = 1,127,476,809.79
  5. Step 5: Solve for x
    x = 1,127,476,809.79/38,320.57
  6. Step 6: Final answer
    x = 29,422.23

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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.