Home / 31,290.69-46,938.92-10,230.84

Finding the Fourth Proportional to 31,290.69, 46,938.92 and 10,230.84

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Solution

The fourth proportional to 31,290.69, 46,938.92 and 10,230.84 is: 15,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.69 : 46,938.92 = 10,230.84 : x
  2. Step 2: Convert to fraction form
    31,290.69/46,938.92 = 10,230.84/x
  3. Step 3: Cross multiply
    31,290.69x = 46,938.92 × 10,230.84
  4. Step 4: Simplify right side
    31,290.69x = 480,224,672.16
  5. Step 5: Solve for x
    x = 480,224,672.16/31,290.69
  6. Step 6: Final answer
    x = 15,347.21

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1.5x scale

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.