Home / 34,715.87-52,038.74-13,670.68

Finding the Fourth Proportional to 34,715.87, 52,038.74 and 13,670.68

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Solution

The fourth proportional to 34,715.87, 52,038.74 and 13,670.68 is: 20,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.87 : 52,038.74 = 13,670.68 : x
  2. Step 2: Convert to fraction form
    34,715.87/52,038.74 = 13,670.68/x
  3. Step 3: Cross multiply
    34,715.87x = 52,038.74 × 13,670.68
  4. Step 4: Simplify right side
    34,715.87x = 711,404,962.14
  5. Step 5: Solve for x
    x = 711,404,962.14/34,715.87
  6. Step 6: Final answer
    x = 20,492.21

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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.