Home / 30,812.16-46,221.09-14,176.80

Finding the Fourth Proportional to 30,812.16, 46,221.09 and 14,176.80

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Solution

The fourth proportional to 30,812.16, 46,221.09 and 14,176.80 is: 21,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.16 : 46,221.09 = 14,176.80 : x
  2. Step 2: Convert to fraction form
    30,812.16/46,221.09 = 14,176.80/x
  3. Step 3: Cross multiply
    30,812.16x = 46,221.09 × 14,176.80
  4. Step 4: Simplify right side
    30,812.16x = 655,267,148.71
  5. Step 5: Solve for x
    x = 655,267,148.71/30,812.16
  6. Step 6: Final answer
    x = 21,266.51

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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.