Home / 30,296.79-41,806.80-22,343.40

Finding the Fourth Proportional to 30,296.79, 41,806.80 and 22,343.40

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Solution

The fourth proportional to 30,296.79, 41,806.80 and 22,343.40 is: 30,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.79 : 41,806.80 = 22,343.40 : x
  2. Step 2: Convert to fraction form
    30,296.79/41,806.80 = 22,343.40/x
  3. Step 3: Cross multiply
    30,296.79x = 41,806.80 × 22,343.40
  4. Step 4: Simplify right side
    30,296.79x = 934,106,055.12
  5. Step 5: Solve for x
    x = 934,106,055.12/30,296.79
  6. Step 6: Final answer
    x = 30,831.85

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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.