Home / 30,055.57-45,051.56-11,327.49

Finding the Fourth Proportional to 30,055.57, 45,051.56 and 11,327.49

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Solution

The fourth proportional to 30,055.57, 45,051.56 and 11,327.49 is: 16,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,055.57 : 45,051.56 = 11,327.49 : x
  2. Step 2: Convert to fraction form
    30,055.57/45,051.56 = 11,327.49/x
  3. Step 3: Cross multiply
    30,055.57x = 45,051.56 × 11,327.49
  4. Step 4: Simplify right side
    30,055.57x = 510,321,038.75
  5. Step 5: Solve for x
    x = 510,321,038.75/30,055.57
  6. Step 6: Final answer
    x = 16,979.25

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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.