Home / 39,970.64-59,994.84-19,208.72

Finding the Fourth Proportional to 39,970.64, 59,994.84 and 19,208.72

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Solution

The fourth proportional to 39,970.64, 59,994.84 and 19,208.72 is: 28,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.64 : 59,994.84 = 19,208.72 : x
  2. Step 2: Convert to fraction form
    39,970.64/59,994.84 = 19,208.72/x
  3. Step 3: Cross multiply
    39,970.64x = 59,994.84 × 19,208.72
  4. Step 4: Simplify right side
    39,970.64x = 1,152,424,083.00
  5. Step 5: Solve for x
    x = 1,152,424,083.00/39,970.64
  6. Step 6: Final answer
    x = 28,831.76

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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.