Home / 47,320.45-70,995.45-14,040.68

Finding the Fourth Proportional to 47,320.45, 70,995.45 and 14,040.68

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Solution

The fourth proportional to 47,320.45, 70,995.45 and 14,040.68 is: 21,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320.45 : 70,995.45 = 14,040.68 : x
  2. Step 2: Convert to fraction form
    47,320.45/70,995.45 = 14,040.68/x
  3. Step 3: Cross multiply
    47,320.45x = 70,995.45 × 14,040.68
  4. Step 4: Simplify right side
    47,320.45x = 996,824,039.93
  5. Step 5: Solve for x
    x = 996,824,039.93/47,320.45
  6. Step 6: Final answer
    x = 21,065.40

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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.