Home / 42,968.04-64,455.15-17,982.95

Finding the Fourth Proportional to 42,968.04, 64,455.15 and 17,982.95

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Solution

The fourth proportional to 42,968.04, 64,455.15 and 17,982.95 is: 26,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,968.04 : 64,455.15 = 17,982.95 : x
  2. Step 2: Convert to fraction form
    42,968.04/64,455.15 = 17,982.95/x
  3. Step 3: Cross multiply
    42,968.04x = 64,455.15 × 17,982.95
  4. Step 4: Simplify right side
    42,968.04x = 1,159,093,417.42
  5. Step 5: Solve for x
    x = 1,159,093,417.42/42,968.04
  6. Step 6: Final answer
    x = 26,975.71

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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.