Home / 30,316.80-45,484.18-15,536.10

Finding the Fourth Proportional to 30,316.80, 45,484.18 and 15,536.10

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Solution

The fourth proportional to 30,316.80, 45,484.18 and 15,536.10 is: 23,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.80 : 45,484.18 = 15,536.10 : x
  2. Step 2: Convert to fraction form
    30,316.80/45,484.18 = 15,536.10/x
  3. Step 3: Cross multiply
    30,316.80x = 45,484.18 × 15,536.10
  4. Step 4: Simplify right side
    30,316.80x = 706,646,768.90
  5. Step 5: Solve for x
    x = 706,646,768.90/30,316.80
  6. Step 6: Final answer
    x = 23,308.75

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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.