Home / 30,979.56-46,457.70-11,253.24

Finding the Fourth Proportional to 30,979.56, 46,457.70 and 11,253.24

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Solution

The fourth proportional to 30,979.56, 46,457.70 and 11,253.24 is: 16,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.56 : 46,457.70 = 11,253.24 : x
  2. Step 2: Convert to fraction form
    30,979.56/46,457.70 = 11,253.24/x
  3. Step 3: Cross multiply
    30,979.56x = 46,457.70 × 11,253.24
  4. Step 4: Simplify right side
    30,979.56x = 522,799,647.95
  5. Step 5: Solve for x
    x = 522,799,647.95/30,979.56
  6. Step 6: Final answer
    x = 16,875.63

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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.