Home / 31,994.60-47,953.01-14,216.72

Finding the Fourth Proportional to 31,994.60, 47,953.01 and 14,216.72

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Solution

The fourth proportional to 31,994.60, 47,953.01 and 14,216.72 is: 21,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,994.60 : 47,953.01 = 14,216.72 : x
  2. Step 2: Convert to fraction form
    31,994.60/47,953.01 = 14,216.72/x
  3. Step 3: Cross multiply
    31,994.60x = 47,953.01 × 14,216.72
  4. Step 4: Simplify right side
    31,994.60x = 681,734,312.10
  5. Step 5: Solve for x
    x = 681,734,312.10/31,994.60
  6. Step 6: Final answer
    x = 21,307.80

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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.