Home / 39,718.22-59,570.76-13,064.54

Finding the Fourth Proportional to 39,718.22, 59,570.76 and 13,064.54

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Solution

The fourth proportional to 39,718.22, 59,570.76 and 13,064.54 is: 19,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,718.22 : 59,570.76 = 13,064.54 : x
  2. Step 2: Convert to fraction form
    39,718.22/59,570.76 = 13,064.54/x
  3. Step 3: Cross multiply
    39,718.22x = 59,570.76 × 13,064.54
  4. Step 4: Simplify right side
    39,718.22x = 778,264,415.69
  5. Step 5: Solve for x
    x = 778,264,415.69/39,718.22
  6. Step 6: Final answer
    x = 19,594.65

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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.