Home / 30,988.88-46,457.40-14,360.84

Finding the Fourth Proportional to 30,988.88, 46,457.40 and 14,360.84

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Solution

The fourth proportional to 30,988.88, 46,457.40 and 14,360.84 is: 21,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.88 : 46,457.40 = 14,360.84 : x
  2. Step 2: Convert to fraction form
    30,988.88/46,457.40 = 14,360.84/x
  3. Step 3: Cross multiply
    30,988.88x = 46,457.40 × 14,360.84
  4. Step 4: Simplify right side
    30,988.88x = 667,167,464.54
  5. Step 5: Solve for x
    x = 667,167,464.54/30,988.88
  6. Step 6: Final answer
    x = 21,529.25

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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.