Home / 38,038.84-52,490.22-21,901.84

Finding the Fourth Proportional to 38,038.84, 52,490.22 and 21,901.84

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Solution

The fourth proportional to 38,038.84, 52,490.22 and 21,901.84 is: 30,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.84 : 52,490.22 = 21,901.84 : x
  2. Step 2: Convert to fraction form
    38,038.84/52,490.22 = 21,901.84/x
  3. Step 3: Cross multiply
    38,038.84x = 52,490.22 × 21,901.84
  4. Step 4: Simplify right side
    38,038.84x = 1,149,632,400.00
  5. Step 5: Solve for x
    x = 1,149,632,400.00/38,038.84
  6. Step 6: Final answer
    x = 30,222.59

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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.