Home / 30,897.50-45,948.78-29,913.34

Finding the Fourth Proportional to 30,897.50, 45,948.78 and 29,913.34

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Solution

The fourth proportional to 30,897.50, 45,948.78 and 29,913.34 is: 44,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.50 : 45,948.78 = 29,913.34 : x
  2. Step 2: Convert to fraction form
    30,897.50/45,948.78 = 29,913.34/x
  3. Step 3: Cross multiply
    30,897.50x = 45,948.78 × 29,913.34
  4. Step 4: Simplify right side
    30,897.50x = 1,374,481,478.73
  5. Step 5: Solve for x
    x = 1,374,481,478.73/30,897.50
  6. Step 6: Final answer
    x = 44,485.20

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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.