Home / 33,130.40-45,719.48-18,023.19

Finding the Fourth Proportional to 33,130.40, 45,719.48 and 18,023.19

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Solution

The fourth proportional to 33,130.40, 45,719.48 and 18,023.19 is: 24,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.40 : 45,719.48 = 18,023.19 : x
  2. Step 2: Convert to fraction form
    33,130.40/45,719.48 = 18,023.19/x
  3. Step 3: Cross multiply
    33,130.40x = 45,719.48 × 18,023.19
  4. Step 4: Simplify right side
    33,130.40x = 824,010,904.14
  5. Step 5: Solve for x
    x = 824,010,904.14/33,130.40
  6. Step 6: Final answer
    x = 24,871.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.