Home / 43,629.12-59,788.64-39,430.08

Finding the Fourth Proportional to 43,629.12, 59,788.64 and 39,430.08

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Solution

The fourth proportional to 43,629.12, 59,788.64 and 39,430.08 is: 54,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,629.12 : 59,788.64 = 39,430.08 : x
  2. Step 2: Convert to fraction form
    43,629.12/59,788.64 = 39,430.08/x
  3. Step 3: Cross multiply
    43,629.12x = 59,788.64 × 39,430.08
  4. Step 4: Simplify right side
    43,629.12x = 2,357,470,858.29
  5. Step 5: Solve for x
    x = 2,357,470,858.29/43,629.12
  6. Step 6: Final answer
    x = 54,034.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.