Home / 51,115.56-70,525.28-30,692.32

Finding the Fourth Proportional to 51,115.56, 70,525.28 and 30,692.32

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Solution

The fourth proportional to 51,115.56, 70,525.28 and 30,692.32 is: 42,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,115.56 : 70,525.28 = 30,692.32 : x
  2. Step 2: Convert to fraction form
    51,115.56/70,525.28 = 30,692.32/x
  3. Step 3: Cross multiply
    51,115.56x = 70,525.28 × 30,692.32
  4. Step 4: Simplify right side
    51,115.56x = 2,164,584,362.27
  5. Step 5: Solve for x
    x = 2,164,584,362.27/51,115.56
  6. Step 6: Final answer
    x = 42,346.88

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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.