Home / 30,989.18-46,476.79-8,802.07

Finding the Fourth Proportional to 30,989.18, 46,476.79 and 8,802.07

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Solution

The fourth proportional to 30,989.18, 46,476.79 and 8,802.07 is: 13,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989.18 : 46,476.79 = 8,802.07 : x
  2. Step 2: Convert to fraction form
    30,989.18/46,476.79 = 8,802.07/x
  3. Step 3: Cross multiply
    30,989.18x = 46,476.79 × 8,802.07
  4. Step 4: Simplify right side
    30,989.18x = 409,091,820.76
  5. Step 5: Solve for x
    x = 409,091,820.76/30,989.18
  6. Step 6: Final answer
    x = 13,201.12

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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.