Home / 35,086.98-48,420.05-18,954.30

Finding the Fourth Proportional to 35,086.98, 48,420.05 and 18,954.30

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Solution

The fourth proportional to 35,086.98, 48,420.05 and 18,954.30 is: 26,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,086.98 : 48,420.05 = 18,954.30 : x
  2. Step 2: Convert to fraction form
    35,086.98/48,420.05 = 18,954.30/x
  3. Step 3: Cross multiply
    35,086.98x = 48,420.05 × 18,954.30
  4. Step 4: Simplify right side
    35,086.98x = 917,767,831.97
  5. Step 5: Solve for x
    x = 917,767,831.97/35,086.98
  6. Step 6: Final answer
    x = 26,156.93

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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.