Home / 38,970.61-58,420.83-14,004.79

Finding the Fourth Proportional to 38,970.61, 58,420.83 and 14,004.79

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Solution

The fourth proportional to 38,970.61, 58,420.83 and 14,004.79 is: 20,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,970.61 : 58,420.83 = 14,004.79 : x
  2. Step 2: Convert to fraction form
    38,970.61/58,420.83 = 14,004.79/x
  3. Step 3: Cross multiply
    38,970.61x = 58,420.83 × 14,004.79
  4. Step 4: Simplify right side
    38,970.61x = 818,171,455.78
  5. Step 5: Solve for x
    x = 818,171,455.78/38,970.61
  6. Step 6: Final answer
    x = 20,994.58

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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.