Home / 38,133.24-52,621.02-21,363

Finding the Fourth Proportional to 38,133.24, 52,621.02 and 21,363

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Solution

The fourth proportional to 38,133.24, 52,621.02 and 21,363 is: 29,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.24 : 52,621.02 = 21,363 : x
  2. Step 2: Convert to fraction form
    38,133.24/52,621.02 = 21,363/x
  3. Step 3: Cross multiply
    38,133.24x = 52,621.02 × 21,363
  4. Step 4: Simplify right side
    38,133.24x = 1,124,142,850.26
  5. Step 5: Solve for x
    x = 1,124,142,850.26/38,133.24
  6. Step 6: Final answer
    x = 29,479.34

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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.