Home / 31,511.16-47,271.51-10,729.80

Finding the Fourth Proportional to 31,511.16, 47,271.51 and 10,729.80

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Solution

The fourth proportional to 31,511.16, 47,271.51 and 10,729.80 is: 16,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.16 : 47,271.51 = 10,729.80 : x
  2. Step 2: Convert to fraction form
    31,511.16/47,271.51 = 10,729.80/x
  3. Step 3: Cross multiply
    31,511.16x = 47,271.51 × 10,729.80
  4. Step 4: Simplify right side
    31,511.16x = 507,213,848.00
  5. Step 5: Solve for x
    x = 507,213,848.00/31,511.16
  6. Step 6: Final answer
    x = 16,096.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.