Home / 42,894-64,366.92-18,270

Finding the Fourth Proportional to 42,894, 64,366.92 and 18,270

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Solution

The fourth proportional to 42,894, 64,366.92 and 18,270 is: 27,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,894 : 64,366.92 = 18,270 : x
  2. Step 2: Convert to fraction form
    42,894/64,366.92 = 18,270/x
  3. Step 3: Cross multiply
    42,894x = 64,366.92 × 18,270
  4. Step 4: Simplify right side
    42,894x = 1,175,983,628.40
  5. Step 5: Solve for x
    x = 1,175,983,628.40/42,894
  6. Step 6: Final answer
    x = 27,416.04

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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.