Home / 30,070.32-45,093.48-9,288.24

Finding the Fourth Proportional to 30,070.32, 45,093.48 and 9,288.24

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Solution

The fourth proportional to 30,070.32, 45,093.48 and 9,288.24 is: 13,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.32 : 45,093.48 = 9,288.24 : x
  2. Step 2: Convert to fraction form
    30,070.32/45,093.48 = 9,288.24/x
  3. Step 3: Cross multiply
    30,070.32x = 45,093.48 × 9,288.24
  4. Step 4: Simplify right side
    30,070.32x = 418,839,064.68
  5. Step 5: Solve for x
    x = 418,839,064.68/30,070.32
  6. Step 6: Final answer
    x = 13,928.65

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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.