Home / 30,047.22-45,117.71-28,716.29

Finding the Fourth Proportional to 30,047.22, 45,117.71 and 28,716.29

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Solution

The fourth proportional to 30,047.22, 45,117.71 and 28,716.29 is: 43,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.22 : 45,117.71 = 28,716.29 : x
  2. Step 2: Convert to fraction form
    30,047.22/45,117.71 = 28,716.29/x
  3. Step 3: Cross multiply
    30,047.22x = 45,117.71 × 28,716.29
  4. Step 4: Simplify right side
    30,047.22x = 1,295,613,152.20
  5. Step 5: Solve for x
    x = 1,295,613,152.20/30,047.22
  6. Step 6: Final answer
    x = 43,119.24

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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.