Home / 30,521.04-45,771.84-9,739.68

Finding the Fourth Proportional to 30,521.04, 45,771.84 and 9,739.68

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Solution

The fourth proportional to 30,521.04, 45,771.84 and 9,739.68 is: 14,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521.04 : 45,771.84 = 9,739.68 : x
  2. Step 2: Convert to fraction form
    30,521.04/45,771.84 = 9,739.68/x
  3. Step 3: Cross multiply
    30,521.04x = 45,771.84 × 9,739.68
  4. Step 4: Simplify right side
    30,521.04x = 445,803,074.61
  5. Step 5: Solve for x
    x = 445,803,074.61/30,521.04
  6. Step 6: Final answer
    x = 14,606.42

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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.