Home / 53,933.58-74,430.09-30,065.31

Finding the Fourth Proportional to 53,933.58, 74,430.09 and 30,065.31

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Solution

The fourth proportional to 53,933.58, 74,430.09 and 30,065.31 is: 41,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933.58 : 74,430.09 = 30,065.31 : x
  2. Step 2: Convert to fraction form
    53,933.58/74,430.09 = 30,065.31/x
  3. Step 3: Cross multiply
    53,933.58x = 74,430.09 × 30,065.31
  4. Step 4: Simplify right side
    53,933.58x = 2,237,763,729.18
  5. Step 5: Solve for x
    x = 2,237,763,729.18/53,933.58
  6. Step 6: Final answer
    x = 41,491.10

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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.