Home / 47,435.52-65,442.24-28,570.08

Finding the Fourth Proportional to 47,435.52, 65,442.24 and 28,570.08

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Solution

The fourth proportional to 47,435.52, 65,442.24 and 28,570.08 is: 39,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,435.52 : 65,442.24 = 28,570.08 : x
  2. Step 2: Convert to fraction form
    47,435.52/65,442.24 = 28,570.08/x
  3. Step 3: Cross multiply
    47,435.52x = 65,442.24 × 28,570.08
  4. Step 4: Simplify right side
    47,435.52x = 1,869,690,032.18
  5. Step 5: Solve for x
    x = 1,869,690,032.18/47,435.52
  6. Step 6: Final answer
    x = 39,415.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.