Home / 30,291-45,440.64-10,566.60

Finding the Fourth Proportional to 30,291, 45,440.64 and 10,566.60

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Solution

The fourth proportional to 30,291, 45,440.64 and 10,566.60 is: 15,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291 : 45,440.64 = 10,566.60 : x
  2. Step 2: Convert to fraction form
    30,291/45,440.64 = 10,566.60/x
  3. Step 3: Cross multiply
    30,291x = 45,440.64 × 10,566.60
  4. Step 4: Simplify right side
    30,291x = 480,153,066.62
  5. Step 5: Solve for x
    x = 480,153,066.62/30,291
  6. Step 6: Final answer
    x = 15,851.34

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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.