Home / 42,946.28-64,438.60-16,653.08

Finding the Fourth Proportional to 42,946.28, 64,438.60 and 16,653.08

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Solution

The fourth proportional to 42,946.28, 64,438.60 and 16,653.08 is: 24,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,946.28 : 64,438.60 = 16,653.08 : x
  2. Step 2: Convert to fraction form
    42,946.28/64,438.60 = 16,653.08/x
  3. Step 3: Cross multiply
    42,946.28x = 64,438.60 × 16,653.08
  4. Step 4: Simplify right side
    42,946.28x = 1,073,101,160.89
  5. Step 5: Solve for x
    x = 1,073,101,160.89/42,946.28
  6. Step 6: Final answer
    x = 24,987.06

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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.