Home / 30,445.32-45,671.67-10,719.84

Finding the Fourth Proportional to 30,445.32, 45,671.67 and 10,719.84

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Solution

The fourth proportional to 30,445.32, 45,671.67 and 10,719.84 is: 16,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,445.32 : 45,671.67 = 10,719.84 : x
  2. Step 2: Convert to fraction form
    30,445.32/45,671.67 = 10,719.84/x
  3. Step 3: Cross multiply
    30,445.32x = 45,671.67 × 10,719.84
  4. Step 4: Simplify right side
    30,445.32x = 489,592,994.93
  5. Step 5: Solve for x
    x = 489,592,994.93/30,445.32
  6. Step 6: Final answer
    x = 16,081.06

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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.