Home / 40,145.85-55,409.02-23,161.06

Finding the Fourth Proportional to 40,145.85, 55,409.02 and 23,161.06

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Solution

The fourth proportional to 40,145.85, 55,409.02 and 23,161.06 is: 31,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.85 : 55,409.02 = 23,161.06 : x
  2. Step 2: Convert to fraction form
    40,145.85/55,409.02 = 23,161.06/x
  3. Step 3: Cross multiply
    40,145.85x = 55,409.02 × 23,161.06
  4. Step 4: Simplify right side
    40,145.85x = 1,283,331,636.76
  5. Step 5: Solve for x
    x = 1,283,331,636.76/40,145.85
  6. Step 6: Final answer
    x = 31,966.74

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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.