Home / 39,770.10-54,880.20-22,774.32

Finding the Fourth Proportional to 39,770.10, 54,880.20 and 22,774.32

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Solution

The fourth proportional to 39,770.10, 54,880.20 and 22,774.32 is: 31,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.10 : 54,880.20 = 22,774.32 : x
  2. Step 2: Convert to fraction form
    39,770.10/54,880.20 = 22,774.32/x
  3. Step 3: Cross multiply
    39,770.10x = 54,880.20 × 22,774.32
  4. Step 4: Simplify right side
    39,770.10x = 1,249,859,236.46
  5. Step 5: Solve for x
    x = 1,249,859,236.46/39,770.10
  6. Step 6: Final answer
    x = 31,427.11

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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.