Home / 39,389.09-59,084.44-21,969.77

Finding the Fourth Proportional to 39,389.09, 59,084.44 and 21,969.77

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Solution

The fourth proportional to 39,389.09, 59,084.44 and 21,969.77 is: 32,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.09 : 59,084.44 = 21,969.77 : x
  2. Step 2: Convert to fraction form
    39,389.09/59,084.44 = 21,969.77/x
  3. Step 3: Cross multiply
    39,389.09x = 59,084.44 × 21,969.77
  4. Step 4: Simplify right side
    39,389.09x = 1,298,071,207.03
  5. Step 5: Solve for x
    x = 1,298,071,207.03/39,389.09
  6. Step 6: Final answer
    x = 32,955.10

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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.