Home / 29,557.56-40,771.98-18,943.32

Finding the Fourth Proportional to 29,557.56, 40,771.98 and 18,943.32

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Solution

The fourth proportional to 29,557.56, 40,771.98 and 18,943.32 is: 26,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,557.56 : 40,771.98 = 18,943.32 : x
  2. Step 2: Convert to fraction form
    29,557.56/40,771.98 = 18,943.32/x
  3. Step 3: Cross multiply
    29,557.56x = 40,771.98 × 18,943.32
  4. Step 4: Simplify right side
    29,557.56x = 772,356,664.17
  5. Step 5: Solve for x
    x = 772,356,664.17/29,557.56
  6. Step 6: Final answer
    x = 26,130.60

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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.