Home / 38,395.49-52,988.85-21,405.23

Finding the Fourth Proportional to 38,395.49, 52,988.85 and 21,405.23

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Solution

The fourth proportional to 38,395.49, 52,988.85 and 21,405.23 is: 29,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395.49 : 52,988.85 = 21,405.23 : x
  2. Step 2: Convert to fraction form
    38,395.49/52,988.85 = 21,405.23/x
  3. Step 3: Cross multiply
    38,395.49x = 52,988.85 × 21,405.23
  4. Step 4: Simplify right side
    38,395.49x = 1,134,238,455.45
  5. Step 5: Solve for x
    x = 1,134,238,455.45/38,395.49
  6. Step 6: Final answer
    x = 29,540.93

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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.