Home / 39,643.08-59,464.95-31,725.90

Finding the Fourth Proportional to 39,643.08, 59,464.95 and 31,725.90

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Solution

The fourth proportional to 39,643.08, 59,464.95 and 31,725.90 is: 47,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.08 : 59,464.95 = 31,725.90 : x
  2. Step 2: Convert to fraction form
    39,643.08/59,464.95 = 31,725.90/x
  3. Step 3: Cross multiply
    39,643.08x = 59,464.95 × 31,725.90
  4. Step 4: Simplify right side
    39,643.08x = 1,886,579,057.21
  5. Step 5: Solve for x
    x = 1,886,579,057.21/39,643.08
  6. Step 6: Final answer
    x = 47,589.11

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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.