Home / 39,140.04-58,717.08-18,363

Finding the Fourth Proportional to 39,140.04, 58,717.08 and 18,363

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Solution

The fourth proportional to 39,140.04, 58,717.08 and 18,363 is: 27,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.04 : 58,717.08 = 18,363 : x
  2. Step 2: Convert to fraction form
    39,140.04/58,717.08 = 18,363/x
  3. Step 3: Cross multiply
    39,140.04x = 58,717.08 × 18,363
  4. Step 4: Simplify right side
    39,140.04x = 1,078,221,740.04
  5. Step 5: Solve for x
    x = 1,078,221,740.04/39,140.04
  6. Step 6: Final answer
    x = 27,547.79

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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.