Home / 35,442.90-53,171.55-12,071.70

Finding the Fourth Proportional to 35,442.90, 53,171.55 and 12,071.70

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Solution

The fourth proportional to 35,442.90, 53,171.55 and 12,071.70 is: 18,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,442.90 : 53,171.55 = 12,071.70 : x
  2. Step 2: Convert to fraction form
    35,442.90/53,171.55 = 12,071.70/x
  3. Step 3: Cross multiply
    35,442.90x = 53,171.55 × 12,071.70
  4. Step 4: Simplify right side
    35,442.90x = 641,871,000.14
  5. Step 5: Solve for x
    x = 641,871,000.14/35,442.90
  6. Step 6: Final answer
    x = 18,110.00

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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.