Home / 31,211.04-46,806.24-15,618

Finding the Fourth Proportional to 31,211.04, 46,806.24 and 15,618

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Solution

The fourth proportional to 31,211.04, 46,806.24 and 15,618 is: 23,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.04 : 46,806.24 = 15,618 : x
  2. Step 2: Convert to fraction form
    31,211.04/46,806.24 = 15,618/x
  3. Step 3: Cross multiply
    31,211.04x = 46,806.24 × 15,618
  4. Step 4: Simplify right side
    31,211.04x = 731,019,856.32
  5. Step 5: Solve for x
    x = 731,019,856.32/31,211.04
  6. Step 6: Final answer
    x = 23,421.84

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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.