Home / 35,603.48-53,437.32-18,977.36

Finding the Fourth Proportional to 35,603.48, 53,437.32 and 18,977.36

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Solution

The fourth proportional to 35,603.48, 53,437.32 and 18,977.36 is: 28,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.48 : 53,437.32 = 18,977.36 : x
  2. Step 2: Convert to fraction form
    35,603.48/53,437.32 = 18,977.36/x
  3. Step 3: Cross multiply
    35,603.48x = 53,437.32 × 18,977.36
  4. Step 4: Simplify right side
    35,603.48x = 1,014,099,259.08
  5. Step 5: Solve for x
    x = 1,014,099,259.08/35,603.48
  6. Step 6: Final answer
    x = 28,483.15

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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.