Home / 43,263.54-64,894.86-13,681.37

Finding the Fourth Proportional to 43,263.54, 64,894.86 and 13,681.37

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Solution

The fourth proportional to 43,263.54, 64,894.86 and 13,681.37 is: 20,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,263.54 : 64,894.86 = 13,681.37 : x
  2. Step 2: Convert to fraction form
    43,263.54/64,894.86 = 13,681.37/x
  3. Step 3: Cross multiply
    43,263.54x = 64,894.86 × 13,681.37
  4. Step 4: Simplify right side
    43,263.54x = 887,850,266.28
  5. Step 5: Solve for x
    x = 887,850,266.28/43,263.54
  6. Step 6: Final answer
    x = 20,521.91

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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.