Home / 39,501.56-54,513.45-21,597.05

Finding the Fourth Proportional to 39,501.56, 54,513.45 and 21,597.05

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Solution

The fourth proportional to 39,501.56, 54,513.45 and 21,597.05 is: 29,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,501.56 : 54,513.45 = 21,597.05 : x
  2. Step 2: Convert to fraction form
    39,501.56/54,513.45 = 21,597.05/x
  3. Step 3: Cross multiply
    39,501.56x = 54,513.45 × 21,597.05
  4. Step 4: Simplify right side
    39,501.56x = 1,177,329,705.32
  5. Step 5: Solve for x
    x = 1,177,329,705.32/39,501.56
  6. Step 6: Final answer
    x = 29,804.64

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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.