Home / 39,480.09-59,223.93-15,781.98

Finding the Fourth Proportional to 39,480.09, 59,223.93 and 15,781.98

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Solution

The fourth proportional to 39,480.09, 59,223.93 and 15,781.98 is: 23,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,480.09 : 59,223.93 = 15,781.98 : x
  2. Step 2: Convert to fraction form
    39,480.09/59,223.93 = 15,781.98/x
  3. Step 3: Cross multiply
    39,480.09x = 59,223.93 × 15,781.98
  4. Step 4: Simplify right side
    39,480.09x = 934,670,878.78
  5. Step 5: Solve for x
    x = 934,670,878.78/39,480.09
  6. Step 6: Final answer
    x = 23,674.49

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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.