Home / 40,247.40-55,538.80-22,342.40

Finding the Fourth Proportional to 40,247.40, 55,538.80 and 22,342.40

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Solution

The fourth proportional to 40,247.40, 55,538.80 and 22,342.40 is: 30,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,247.40 : 55,538.80 = 22,342.40 : x
  2. Step 2: Convert to fraction form
    40,247.40/55,538.80 = 22,342.40/x
  3. Step 3: Cross multiply
    40,247.40x = 55,538.80 × 22,342.40
  4. Step 4: Simplify right side
    40,247.40x = 1,240,870,085.12
  5. Step 5: Solve for x
    x = 1,240,870,085.12/40,247.40
  6. Step 6: Final answer
    x = 30,831.06

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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.