Home / 30,900.32-46,350-7,526.72

Finding the Fourth Proportional to 30,900.32, 46,350 and 7,526.72

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Solution

The fourth proportional to 30,900.32, 46,350 and 7,526.72 is: 11,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.32 : 46,350 = 7,526.72 : x
  2. Step 2: Convert to fraction form
    30,900.32/46,350 = 7,526.72/x
  3. Step 3: Cross multiply
    30,900.32x = 46,350 × 7,526.72
  4. Step 4: Simplify right side
    30,900.32x = 348,863,472
  5. Step 5: Solve for x
    x = 348,863,472/30,900.32
  6. Step 6: Final answer
    x = 11,289.96

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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.