Home / 31,509.68-47,271.84-10,733.36

Finding the Fourth Proportional to 31,509.68, 47,271.84 and 10,733.36

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Solution

The fourth proportional to 31,509.68, 47,271.84 and 10,733.36 is: 16,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.68 : 47,271.84 = 10,733.36 : x
  2. Step 2: Convert to fraction form
    31,509.68/47,271.84 = 10,733.36/x
  3. Step 3: Cross multiply
    31,509.68x = 47,271.84 × 10,733.36
  4. Step 4: Simplify right side
    31,509.68x = 507,385,676.58
  5. Step 5: Solve for x
    x = 507,385,676.58/31,509.68
  6. Step 6: Final answer
    x = 16,102.53

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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.