Home / 30,019.44-45,036.72-11,301.60

Finding the Fourth Proportional to 30,019.44, 45,036.72 and 11,301.60

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Solution

The fourth proportional to 30,019.44, 45,036.72 and 11,301.60 is: 16,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.44 : 45,036.72 = 11,301.60 : x
  2. Step 2: Convert to fraction form
    30,019.44/45,036.72 = 11,301.60/x
  3. Step 3: Cross multiply
    30,019.44x = 45,036.72 × 11,301.60
  4. Step 4: Simplify right side
    30,019.44x = 508,986,994.75
  5. Step 5: Solve for x
    x = 508,986,994.75/30,019.44
  6. Step 6: Final answer
    x = 16,955.25

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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.