Home / 31,529,731.37-47,271,898.53-19,374,079.53

Finding the Fourth Proportional to 31,529,731.37, 47,271,898.53 and 19,374,079.53

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Solution

The fourth proportional to 31,529,731.37, 47,271,898.53 and 19,374,079.53 is: 29,047,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529,731.37 : 47,271,898.53 = 19,374,079.53 : x
  2. Step 2: Convert to fraction form
    31,529,731.37/47,271,898.53 = 19,374,079.53/x
  3. Step 3: Cross multiply
    31,529,731.37x = 47,271,898.53 × 19,374,079.53
  4. Step 4: Simplify right side
    31,529,731.37x = 915,849,521,654,310.12
  5. Step 5: Solve for x
    x = 915,849,521,654,310.12/31,529,731.37
  6. Step 6: Final answer
    x = 29,047,171.73

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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.