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Finding the Fourth Proportional to 35,562.76, 49,081.76 and 21,223.20

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Solution

The fourth proportional to 35,562.76, 49,081.76 and 21,223.20 is: 29,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,562.76 : 49,081.76 = 21,223.20 : x
  2. Step 2: Convert to fraction form
    35,562.76/49,081.76 = 21,223.20/x
  3. Step 3: Cross multiply
    35,562.76x = 49,081.76 × 21,223.20
  4. Step 4: Simplify right side
    35,562.76x = 1,041,671,718.66
  5. Step 5: Solve for x
    x = 1,041,671,718.66/35,562.76
  6. Step 6: Final answer
    x = 29,291.08

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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.