Home / 55,312.23-82,968.63-13,759.23

Finding the Fourth Proportional to 55,312.23, 82,968.63 and 13,759.23

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Solution

The fourth proportional to 55,312.23, 82,968.63 and 13,759.23 is: 20,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.23 : 82,968.63 = 13,759.23 : x
  2. Step 2: Convert to fraction form
    55,312.23/82,968.63 = 13,759.23/x
  3. Step 3: Cross multiply
    55,312.23x = 82,968.63 × 13,759.23
  4. Step 4: Simplify right side
    55,312.23x = 1,141,584,462.95
  5. Step 5: Solve for x
    x = 1,141,584,462.95/55,312.23
  6. Step 6: Final answer
    x = 20,638.92

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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.