Home / 40,024.34-55,233.76-21,875.43

Finding the Fourth Proportional to 40,024.34, 55,233.76 and 21,875.43

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Solution

The fourth proportional to 40,024.34, 55,233.76 and 21,875.43 is: 30,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,024.34 : 55,233.76 = 21,875.43 : x
  2. Step 2: Convert to fraction form
    40,024.34/55,233.76 = 21,875.43/x
  3. Step 3: Cross multiply
    40,024.34x = 55,233.76 × 21,875.43
  4. Step 4: Simplify right side
    40,024.34x = 1,208,261,864.97
  5. Step 5: Solve for x
    x = 1,208,261,864.97/40,024.34
  6. Step 6: Final answer
    x = 30,188.18

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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.