Home / 42,315.34-63,477.21-15,668.44

Finding the Fourth Proportional to 42,315.34, 63,477.21 and 15,668.44

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Solution

The fourth proportional to 42,315.34, 63,477.21 and 15,668.44 is: 23,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,315.34 : 63,477.21 = 15,668.44 : x
  2. Step 2: Convert to fraction form
    42,315.34/63,477.21 = 15,668.44/x
  3. Step 3: Cross multiply
    42,315.34x = 63,477.21 × 15,668.44
  4. Step 4: Simplify right side
    42,315.34x = 994,588,856.25
  5. Step 5: Solve for x
    x = 994,588,856.25/42,315.34
  6. Step 6: Final answer
    x = 23,504.22

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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.