Home / 30,293.85-45,422.55-15,531.60

Finding the Fourth Proportional to 30,293.85, 45,422.55 and 15,531.60

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Solution

The fourth proportional to 30,293.85, 45,422.55 and 15,531.60 is: 23,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.85 : 45,422.55 = 15,531.60 : x
  2. Step 2: Convert to fraction form
    30,293.85/45,422.55 = 15,531.60/x
  3. Step 3: Cross multiply
    30,293.85x = 45,422.55 × 15,531.60
  4. Step 4: Simplify right side
    30,293.85x = 705,484,877.58
  5. Step 5: Solve for x
    x = 705,484,877.58/30,293.85
  6. Step 6: Final answer
    x = 23,288.06

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1.5x scale

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.