Home / 40,111.89-55,347.75-25,774.89

Finding the Fourth Proportional to 40,111.89, 55,347.75 and 25,774.89

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Solution

The fourth proportional to 40,111.89, 55,347.75 and 25,774.89 is: 35,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,111.89 : 55,347.75 = 25,774.89 : x
  2. Step 2: Convert to fraction form
    40,111.89/55,347.75 = 25,774.89/x
  3. Step 3: Cross multiply
    40,111.89x = 55,347.75 × 25,774.89
  4. Step 4: Simplify right side
    40,111.89x = 1,426,582,168.00
  5. Step 5: Solve for x
    x = 1,426,582,168.00/40,111.89
  6. Step 6: Final answer
    x = 35,565.07

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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.