Home / 30,088.08-45,139.41-9,028.08

Finding the Fourth Proportional to 30,088.08, 45,139.41 and 9,028.08

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Solution

The fourth proportional to 30,088.08, 45,139.41 and 9,028.08 is: 13,544.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.08 : 45,139.41 = 9,028.08 : x
  2. Step 2: Convert to fraction form
    30,088.08/45,139.41 = 9,028.08/x
  3. Step 3: Cross multiply
    30,088.08x = 45,139.41 × 9,028.08
  4. Step 4: Simplify right side
    30,088.08x = 407,522,204.63
  5. Step 5: Solve for x
    x = 407,522,204.63/30,088.08
  6. Step 6: Final answer
    x = 13,544.31

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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.