Home / 30,107.46-45,162.63-14,538.18

Finding the Fourth Proportional to 30,107.46, 45,162.63 and 14,538.18

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Solution

The fourth proportional to 30,107.46, 45,162.63 and 14,538.18 is: 21,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.46 : 45,162.63 = 14,538.18 : x
  2. Step 2: Convert to fraction form
    30,107.46/45,162.63 = 14,538.18/x
  3. Step 3: Cross multiply
    30,107.46x = 45,162.63 × 14,538.18
  4. Step 4: Simplify right side
    30,107.46x = 656,582,444.21
  5. Step 5: Solve for x
    x = 656,582,444.21/30,107.46
  6. Step 6: Final answer
    x = 21,807.97

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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.