Home / 39,486.12-59,260.26-18,415.32

Finding the Fourth Proportional to 39,486.12, 59,260.26 and 18,415.32

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Solution

The fourth proportional to 39,486.12, 59,260.26 and 18,415.32 is: 27,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,486.12 : 59,260.26 = 18,415.32 : x
  2. Step 2: Convert to fraction form
    39,486.12/59,260.26 = 18,415.32/x
  3. Step 3: Cross multiply
    39,486.12x = 59,260.26 × 18,415.32
  4. Step 4: Simplify right side
    39,486.12x = 1,091,296,651.18
  5. Step 5: Solve for x
    x = 1,091,296,651.18/39,486.12
  6. Step 6: Final answer
    x = 27,637.47

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1.5x scale

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.