Home / 30,124.20-45,124.94-14,281.21

Finding the Fourth Proportional to 30,124.20, 45,124.94 and 14,281.21

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Solution

The fourth proportional to 30,124.20, 45,124.94 and 14,281.21 is: 21,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.20 : 45,124.94 = 14,281.21 : x
  2. Step 2: Convert to fraction form
    30,124.20/45,124.94 = 14,281.21/x
  3. Step 3: Cross multiply
    30,124.20x = 45,124.94 × 14,281.21
  4. Step 4: Simplify right side
    30,124.20x = 644,438,447.35
  5. Step 5: Solve for x
    x = 644,438,447.35/30,124.20
  6. Step 6: Final answer
    x = 21,392.72

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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.