Home / 38,390.10-52,980.39-22,475.76

Finding the Fourth Proportional to 38,390.10, 52,980.39 and 22,475.76

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Solution

The fourth proportional to 38,390.10, 52,980.39 and 22,475.76 is: 31,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.10 : 52,980.39 = 22,475.76 : x
  2. Step 2: Convert to fraction form
    38,390.10/52,980.39 = 22,475.76/x
  3. Step 3: Cross multiply
    38,390.10x = 52,980.39 × 22,475.76
  4. Step 4: Simplify right side
    38,390.10x = 1,190,774,530.35
  5. Step 5: Solve for x
    x = 1,190,774,530.35/38,390.10
  6. Step 6: Final answer
    x = 31,017.75

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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.