Home / 30,544.19-45,733.59-19,987.81

Finding the Fourth Proportional to 30,544.19, 45,733.59 and 19,987.81

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Solution

The fourth proportional to 30,544.19, 45,733.59 and 19,987.81 is: 29,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,544.19 : 45,733.59 = 19,987.81 : x
  2. Step 2: Convert to fraction form
    30,544.19/45,733.59 = 19,987.81/x
  3. Step 3: Cross multiply
    30,544.19x = 45,733.59 × 19,987.81
  4. Step 4: Simplify right side
    30,544.19x = 914,114,394.24
  5. Step 5: Solve for x
    x = 914,114,394.24/30,544.19
  6. Step 6: Final answer
    x = 29,927.60

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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.