Home / 35,492.40-53,246.70-12,118.50

Finding the Fourth Proportional to 35,492.40, 53,246.70 and 12,118.50

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Solution

The fourth proportional to 35,492.40, 53,246.70 and 12,118.50 is: 18,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,492.40 : 53,246.70 = 12,118.50 : x
  2. Step 2: Convert to fraction form
    35,492.40/53,246.70 = 12,118.50/x
  3. Step 3: Cross multiply
    35,492.40x = 53,246.70 × 12,118.50
  4. Step 4: Simplify right side
    35,492.40x = 645,270,133.95
  5. Step 5: Solve for x
    x = 645,270,133.95/35,492.40
  6. Step 6: Final answer
    x = 18,180.52

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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.