Home / 39,804.18-59,706.60-14,521.80

Finding the Fourth Proportional to 39,804.18, 59,706.60 and 14,521.80

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Solution

The fourth proportional to 39,804.18, 59,706.60 and 14,521.80 is: 21,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,804.18 : 59,706.60 = 14,521.80 : x
  2. Step 2: Convert to fraction form
    39,804.18/59,706.60 = 14,521.80/x
  3. Step 3: Cross multiply
    39,804.18x = 59,706.60 × 14,521.80
  4. Step 4: Simplify right side
    39,804.18x = 867,047,303.88
  5. Step 5: Solve for x
    x = 867,047,303.88/39,804.18
  6. Step 6: Final answer
    x = 21,782.82

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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.