Home / 30,738.36-46,121.28-14,934.72

Finding the Fourth Proportional to 30,738.36, 46,121.28 and 14,934.72

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Solution

The fourth proportional to 30,738.36, 46,121.28 and 14,934.72 is: 22,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,738.36 : 46,121.28 = 14,934.72 : x
  2. Step 2: Convert to fraction form
    30,738.36/46,121.28 = 14,934.72/x
  3. Step 3: Cross multiply
    30,738.36x = 46,121.28 × 14,934.72
  4. Step 4: Simplify right side
    30,738.36x = 688,808,402.84
  5. Step 5: Solve for x
    x = 688,808,402.84/30,738.36
  6. Step 6: Final answer
    x = 22,408.76

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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.