Home / 30,397.50-45,558.81-21,584.70

Finding the Fourth Proportional to 30,397.50, 45,558.81 and 21,584.70

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Solution

The fourth proportional to 30,397.50, 45,558.81 and 21,584.70 is: 32,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397.50 : 45,558.81 = 21,584.70 : x
  2. Step 2: Convert to fraction form
    30,397.50/45,558.81 = 21,584.70/x
  3. Step 3: Cross multiply
    30,397.50x = 45,558.81 × 21,584.70
  4. Step 4: Simplify right side
    30,397.50x = 983,373,246.21
  5. Step 5: Solve for x
    x = 983,373,246.21/30,397.50
  6. Step 6: Final answer
    x = 32,350.46

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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.