Home / 30,889.60-46,317.12-10,111.36

Finding the Fourth Proportional to 30,889.60, 46,317.12 and 10,111.36

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Solution

The fourth proportional to 30,889.60, 46,317.12 and 10,111.36 is: 15,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.60 : 46,317.12 = 10,111.36 : x
  2. Step 2: Convert to fraction form
    30,889.60/46,317.12 = 10,111.36/x
  3. Step 3: Cross multiply
    30,889.60x = 46,317.12 × 10,111.36
  4. Step 4: Simplify right side
    30,889.60x = 468,329,074.48
  5. Step 5: Solve for x
    x = 468,329,074.48/30,889.60
  6. Step 6: Final answer
    x = 15,161.38

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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.