Home / 39,719.08-59,585.94-13,066.60

Finding the Fourth Proportional to 39,719.08, 59,585.94 and 13,066.60

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Solution

The fourth proportional to 39,719.08, 59,585.94 and 13,066.60 is: 19,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.08 : 59,585.94 = 13,066.60 : x
  2. Step 2: Convert to fraction form
    39,719.08/59,585.94 = 13,066.60/x
  3. Step 3: Cross multiply
    39,719.08x = 59,585.94 × 13,066.60
  4. Step 4: Simplify right side
    39,719.08x = 778,585,643.60
  5. Step 5: Solve for x
    x = 778,585,643.60/39,719.08
  6. Step 6: Final answer
    x = 19,602.31

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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.