Home / 30,354.71-45,521.13-12,825.91

Finding the Fourth Proportional to 30,354.71, 45,521.13 and 12,825.91

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Solution

The fourth proportional to 30,354.71, 45,521.13 and 12,825.91 is: 19,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.71 : 45,521.13 = 12,825.91 : x
  2. Step 2: Convert to fraction form
    30,354.71/45,521.13 = 12,825.91/x
  3. Step 3: Cross multiply
    30,354.71x = 45,521.13 × 12,825.91
  4. Step 4: Simplify right side
    30,354.71x = 583,849,688.87
  5. Step 5: Solve for x
    x = 583,849,688.87/30,354.71
  6. Step 6: Final answer
    x = 19,234.24

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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.