Home / 47,019.84-70,554-31,235.76

Finding the Fourth Proportional to 47,019.84, 70,554 and 31,235.76

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Solution

The fourth proportional to 47,019.84, 70,554 and 31,235.76 is: 46,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,019.84 : 70,554 = 31,235.76 : x
  2. Step 2: Convert to fraction form
    47,019.84/70,554 = 31,235.76/x
  3. Step 3: Cross multiply
    47,019.84x = 70,554 × 31,235.76
  4. Step 4: Simplify right side
    47,019.84x = 2,203,807,811.04
  5. Step 5: Solve for x
    x = 2,203,807,811.04/47,019.84
  6. Step 6: Final answer
    x = 46,869.74

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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.