Home / 42,766.34-64,157.21-14,679.14

Finding the Fourth Proportional to 42,766.34, 64,157.21 and 14,679.14

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Solution

The fourth proportional to 42,766.34, 64,157.21 and 14,679.14 is: 22,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.34 : 64,157.21 = 14,679.14 : x
  2. Step 2: Convert to fraction form
    42,766.34/64,157.21 = 14,679.14/x
  3. Step 3: Cross multiply
    42,766.34x = 64,157.21 × 14,679.14
  4. Step 4: Simplify right side
    42,766.34x = 941,772,273.42
  5. Step 5: Solve for x
    x = 941,772,273.42/42,766.34
  6. Step 6: Final answer
    x = 22,021.35

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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.