Home / 30,450.76-45,675.18-13,798.60

Finding the Fourth Proportional to 30,450.76, 45,675.18 and 13,798.60

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Solution

The fourth proportional to 30,450.76, 45,675.18 and 13,798.60 is: 20,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450.76 : 45,675.18 = 13,798.60 : x
  2. Step 2: Convert to fraction form
    30,450.76/45,675.18 = 13,798.60/x
  3. Step 3: Cross multiply
    30,450.76x = 45,675.18 × 13,798.60
  4. Step 4: Simplify right side
    30,450.76x = 630,253,538.75
  5. Step 5: Solve for x
    x = 630,253,538.75/30,450.76
  6. Step 6: Final answer
    x = 20,697.46

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1.5x scale

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.