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Finding the Fourth Proportional to 30,339.84, 45,492.48 and 14,737.92

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Solution

The fourth proportional to 30,339.84, 45,492.48 and 14,737.92 is: 22,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.84 : 45,492.48 = 14,737.92 : x
  2. Step 2: Convert to fraction form
    30,339.84/45,492.48 = 14,737.92/x
  3. Step 3: Cross multiply
    30,339.84x = 45,492.48 × 14,737.92
  4. Step 4: Simplify right side
    30,339.84x = 670,464,530.84
  5. Step 5: Solve for x
    x = 670,464,530.84/30,339.84
  6. Step 6: Final answer
    x = 22,098.49

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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.