Home / 35,459.08-53,138.40-19,671.01

Finding the Fourth Proportional to 35,459.08, 53,138.40 and 19,671.01

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Solution

The fourth proportional to 35,459.08, 53,138.40 and 19,671.01 is: 29,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.08 : 53,138.40 = 19,671.01 : x
  2. Step 2: Convert to fraction form
    35,459.08/53,138.40 = 19,671.01/x
  3. Step 3: Cross multiply
    35,459.08x = 53,138.40 × 19,671.01
  4. Step 4: Simplify right side
    35,459.08x = 1,045,285,997.78
  5. Step 5: Solve for x
    x = 1,045,285,997.78/35,459.08
  6. Step 6: Final answer
    x = 29,478.66

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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.