Home / 40,116.68-55,386.23-25,782.92

Finding the Fourth Proportional to 40,116.68, 55,386.23 and 25,782.92

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Solution

The fourth proportional to 40,116.68, 55,386.23 and 25,782.92 is: 35,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.68 : 55,386.23 = 25,782.92 : x
  2. Step 2: Convert to fraction form
    40,116.68/55,386.23 = 25,782.92/x
  3. Step 3: Cross multiply
    40,116.68x = 55,386.23 × 25,782.92
  4. Step 4: Simplify right side
    40,116.68x = 1,428,018,737.19
  5. Step 5: Solve for x
    x = 1,428,018,737.19/40,116.68
  6. Step 6: Final answer
    x = 35,596.63

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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.