Home / 40,046.49-55,264.54-21,897.76

Finding the Fourth Proportional to 40,046.49, 55,264.54 and 21,897.76

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Solution

The fourth proportional to 40,046.49, 55,264.54 and 21,897.76 is: 30,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,046.49 : 55,264.54 = 21,897.76 : x
  2. Step 2: Convert to fraction form
    40,046.49/55,264.54 = 21,897.76/x
  3. Step 3: Cross multiply
    40,046.49x = 55,264.54 × 21,897.76
  4. Step 4: Simplify right side
    40,046.49x = 1,210,169,633.43
  5. Step 5: Solve for x
    x = 1,210,169,633.43/40,046.49
  6. Step 6: Final answer
    x = 30,219.12

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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.