Home / 42,611.64-63,915.18-16,314.36

Finding the Fourth Proportional to 42,611.64, 63,915.18 and 16,314.36

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Solution

The fourth proportional to 42,611.64, 63,915.18 and 16,314.36 is: 24,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,611.64 : 63,915.18 = 16,314.36 : x
  2. Step 2: Convert to fraction form
    42,611.64/63,915.18 = 16,314.36/x
  3. Step 3: Cross multiply
    42,611.64x = 63,915.18 × 16,314.36
  4. Step 4: Simplify right side
    42,611.64x = 1,042,735,255.98
  5. Step 5: Solve for x
    x = 1,042,735,255.98/42,611.64
  6. Step 6: Final answer
    x = 24,470.67

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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.