Home / 30,492.14-45,736.74-12,715.47

Finding the Fourth Proportional to 30,492.14, 45,736.74 and 12,715.47

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Solution

The fourth proportional to 30,492.14, 45,736.74 and 12,715.47 is: 19,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,492.14 : 45,736.74 = 12,715.47 : x
  2. Step 2: Convert to fraction form
    30,492.14/45,736.74 = 12,715.47/x
  3. Step 3: Cross multiply
    30,492.14x = 45,736.74 × 12,715.47
  4. Step 4: Simplify right side
    30,492.14x = 581,564,145.37
  5. Step 5: Solve for x
    x = 581,564,145.37/30,492.14
  6. Step 6: Final answer
    x = 19,072.60

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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.