Home / 43,284.33-64,938.02-13,702.77

Finding the Fourth Proportional to 43,284.33, 64,938.02 and 13,702.77

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Solution

The fourth proportional to 43,284.33, 64,938.02 and 13,702.77 is: 20,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,284.33 : 64,938.02 = 13,702.77 : x
  2. Step 2: Convert to fraction form
    43,284.33/64,938.02 = 13,702.77/x
  3. Step 3: Cross multiply
    43,284.33x = 64,938.02 × 13,702.77
  4. Step 4: Simplify right side
    43,284.33x = 889,830,914.66
  5. Step 5: Solve for x
    x = 889,830,914.66/43,284.33
  6. Step 6: Final answer
    x = 20,557.81

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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.