Home / 39,210.39-58,838.58-15,520.14

Finding the Fourth Proportional to 39,210.39, 58,838.58 and 15,520.14

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Solution

The fourth proportional to 39,210.39, 58,838.58 and 15,520.14 is: 23,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.39 : 58,838.58 = 15,520.14 : x
  2. Step 2: Convert to fraction form
    39,210.39/58,838.58 = 15,520.14/x
  3. Step 3: Cross multiply
    39,210.39x = 58,838.58 × 15,520.14
  4. Step 4: Simplify right side
    39,210.39x = 913,182,999.00
  5. Step 5: Solve for x
    x = 913,182,999.00/39,210.39
  6. Step 6: Final answer
    x = 23,289.31

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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.