Home / 39,393.08-59,054.07-14,415.72

Finding the Fourth Proportional to 39,393.08, 59,054.07 and 14,415.72

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Solution

The fourth proportional to 39,393.08, 59,054.07 and 14,415.72 is: 21,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.08 : 59,054.07 = 14,415.72 : x
  2. Step 2: Convert to fraction form
    39,393.08/59,054.07 = 14,415.72/x
  3. Step 3: Cross multiply
    39,393.08x = 59,054.07 × 14,415.72
  4. Step 4: Simplify right side
    39,393.08x = 851,306,642.71
  5. Step 5: Solve for x
    x = 851,306,642.71/39,393.08
  6. Step 6: Final answer
    x = 21,610.57

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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.