Home / 34,500.60-51,621.30-31,390.20

Finding the Fourth Proportional to 34,500.60, 51,621.30 and 31,390.20

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Solution

The fourth proportional to 34,500.60, 51,621.30 and 31,390.20 is: 46,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,500.60 : 51,621.30 = 31,390.20 : x
  2. Step 2: Convert to fraction form
    34,500.60/51,621.30 = 31,390.20/x
  3. Step 3: Cross multiply
    34,500.60x = 51,621.30 × 31,390.20
  4. Step 4: Simplify right side
    34,500.60x = 1,620,402,931.26
  5. Step 5: Solve for x
    x = 1,620,402,931.26/34,500.60
  6. Step 6: Final answer
    x = 46,967.38

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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.