Home / 40,355.69-55,718.28-25,254.45

Finding the Fourth Proportional to 40,355.69, 55,718.28 and 25,254.45

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Solution

The fourth proportional to 40,355.69, 55,718.28 and 25,254.45 is: 34,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,355.69 : 55,718.28 = 25,254.45 : x
  2. Step 2: Convert to fraction form
    40,355.69/55,718.28 = 25,254.45/x
  3. Step 3: Cross multiply
    40,355.69x = 55,718.28 × 25,254.45
  4. Step 4: Simplify right side
    40,355.69x = 1,407,134,516.35
  5. Step 5: Solve for x
    x = 1,407,134,516.35/40,355.69
  6. Step 6: Final answer
    x = 34,868.31

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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.