Home / 42,922.35-64,378.02-16,609.08

Finding the Fourth Proportional to 42,922.35, 64,378.02 and 16,609.08

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Solution

The fourth proportional to 42,922.35, 64,378.02 and 16,609.08 is: 24,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,922.35 : 64,378.02 = 16,609.08 : x
  2. Step 2: Convert to fraction form
    42,922.35/64,378.02 = 16,609.08/x
  3. Step 3: Cross multiply
    42,922.35x = 64,378.02 × 16,609.08
  4. Step 4: Simplify right side
    42,922.35x = 1,069,259,684.42
  5. Step 5: Solve for x
    x = 1,069,259,684.42/42,922.35
  6. Step 6: Final answer
    x = 24,911.49

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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.