Home / 30,657.48-45,799.74-19,474.56

Finding the Fourth Proportional to 30,657.48, 45,799.74 and 19,474.56

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Solution

The fourth proportional to 30,657.48, 45,799.74 and 19,474.56 is: 29,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,657.48 : 45,799.74 = 19,474.56 : x
  2. Step 2: Convert to fraction form
    30,657.48/45,799.74 = 19,474.56/x
  3. Step 3: Cross multiply
    30,657.48x = 45,799.74 × 19,474.56
  4. Step 4: Simplify right side
    30,657.48x = 891,929,784.61
  5. Step 5: Solve for x
    x = 891,929,784.61/30,657.48
  6. Step 6: Final answer
    x = 29,093.38

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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.