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Finding the Fourth Proportional to 30,897.01, 45,948.02 and 29,912.86

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Solution

The fourth proportional to 30,897.01, 45,948.02 and 29,912.86 is: 44,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.01 : 45,948.02 = 29,912.86 : x
  2. Step 2: Convert to fraction form
    30,897.01/45,948.02 = 29,912.86/x
  3. Step 3: Cross multiply
    30,897.01x = 45,948.02 × 29,912.86
  4. Step 4: Simplify right side
    30,897.01x = 1,374,436,689.54
  5. Step 5: Solve for x
    x = 1,374,436,689.54/30,897.01
  6. Step 6: Final answer
    x = 44,484.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.