Home / 42,582.42-63,873.30-10,989.79

Finding the Fourth Proportional to 42,582.42, 63,873.30 and 10,989.79

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Solution

The fourth proportional to 42,582.42, 63,873.30 and 10,989.79 is: 16,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,582.42 : 63,873.30 = 10,989.79 : x
  2. Step 2: Convert to fraction form
    42,582.42/63,873.30 = 10,989.79/x
  3. Step 3: Cross multiply
    42,582.42x = 63,873.30 × 10,989.79
  4. Step 4: Simplify right side
    42,582.42x = 701,954,153.61
  5. Step 5: Solve for x
    x = 701,954,153.61/42,582.42
  6. Step 6: Final answer
    x = 16,484.60

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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.