Home / 40,151.67-55,409.67-22,247.07

Finding the Fourth Proportional to 40,151.67, 55,409.67 and 22,247.07

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Solution

The fourth proportional to 40,151.67, 55,409.67 and 22,247.07 is: 30,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.67 : 55,409.67 = 22,247.07 : x
  2. Step 2: Convert to fraction form
    40,151.67/55,409.67 = 22,247.07/x
  3. Step 3: Cross multiply
    40,151.67x = 55,409.67 × 22,247.07
  4. Step 4: Simplify right side
    40,151.67x = 1,232,702,807.17
  5. Step 5: Solve for x
    x = 1,232,702,807.17/40,151.67
  6. Step 6: Final answer
    x = 30,701.16

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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.