Home / 30,027.30-45,041.85-10,305.57

Finding the Fourth Proportional to 30,027.30, 45,041.85 and 10,305.57

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Solution

The fourth proportional to 30,027.30, 45,041.85 and 10,305.57 is: 15,458.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.30 : 45,041.85 = 10,305.57 : x
  2. Step 2: Convert to fraction form
    30,027.30/45,041.85 = 10,305.57/x
  3. Step 3: Cross multiply
    30,027.30x = 45,041.85 × 10,305.57
  4. Step 4: Simplify right side
    30,027.30x = 464,181,938.10
  5. Step 5: Solve for x
    x = 464,181,938.10/30,027.30
  6. Step 6: Final answer
    x = 15,458.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.