Home / 40,039.47-55,254.16-23,047.05

Finding the Fourth Proportional to 40,039.47, 55,254.16 and 23,047.05

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Solution

The fourth proportional to 40,039.47, 55,254.16 and 23,047.05 is: 31,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.47 : 55,254.16 = 23,047.05 : x
  2. Step 2: Convert to fraction form
    40,039.47/55,254.16 = 23,047.05/x
  3. Step 3: Cross multiply
    40,039.47x = 55,254.16 × 23,047.05
  4. Step 4: Simplify right side
    40,039.47x = 1,273,445,388.23
  5. Step 5: Solve for x
    x = 1,273,445,388.23/40,039.47
  6. Step 6: Final answer
    x = 31,804.75

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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.