Home / 29,047.41-40,070.67-18,981.75

Finding the Fourth Proportional to 29,047.41, 40,070.67 and 18,981.75

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Solution

The fourth proportional to 29,047.41, 40,070.67 and 18,981.75 is: 26,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,047.41 : 40,070.67 = 18,981.75 : x
  2. Step 2: Convert to fraction form
    29,047.41/40,070.67 = 18,981.75/x
  3. Step 3: Cross multiply
    29,047.41x = 40,070.67 × 18,981.75
  4. Step 4: Simplify right side
    29,047.41x = 760,611,440.27
  5. Step 5: Solve for x
    x = 760,611,440.27/29,047.41
  6. Step 6: Final answer
    x = 26,185.17

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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.