Home / 31,529,719.35-47,271,880.53-19,374,067.53

Finding the Fourth Proportional to 31,529,719.35, 47,271,880.53 and 19,374,067.53

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Solution

The fourth proportional to 31,529,719.35, 47,271,880.53 and 19,374,067.53 is: 29,047,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529,719.35 : 47,271,880.53 = 19,374,067.53 : x
  2. Step 2: Convert to fraction form
    31,529,719.35/47,271,880.53 = 19,374,067.53/x
  3. Step 3: Cross multiply
    31,529,719.35x = 47,271,880.53 × 19,374,067.53
  4. Step 4: Simplify right side
    31,529,719.35x = 915,848,605,658,312.25
  5. Step 5: Solve for x
    x = 915,848,605,658,312.25/31,529,719.35
  6. Step 6: Final answer
    x = 29,047,153.75

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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.