Home / 30,897.06-42,638.94-17,099.55

Finding the Fourth Proportional to 30,897.06, 42,638.94 and 17,099.55

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Solution

The fourth proportional to 30,897.06, 42,638.94 and 17,099.55 is: 23,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.06 : 42,638.94 = 17,099.55 : x
  2. Step 2: Convert to fraction form
    30,897.06/42,638.94 = 17,099.55/x
  3. Step 3: Cross multiply
    30,897.06x = 42,638.94 × 17,099.55
  4. Step 4: Simplify right side
    30,897.06x = 729,106,686.48
  5. Step 5: Solve for x
    x = 729,106,686.48/30,897.06
  6. Step 6: Final answer
    x = 23,597.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.