Home / 30,681.05-46,021.63-8,494.49

Finding the Fourth Proportional to 30,681.05, 46,021.63 and 8,494.49

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Solution

The fourth proportional to 30,681.05, 46,021.63 and 8,494.49 is: 12,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.05 : 46,021.63 = 8,494.49 : x
  2. Step 2: Convert to fraction form
    30,681.05/46,021.63 = 8,494.49/x
  3. Step 3: Cross multiply
    30,681.05x = 46,021.63 × 8,494.49
  4. Step 4: Simplify right side
    30,681.05x = 390,930,024.47
  5. Step 5: Solve for x
    x = 390,930,024.47/30,681.05
  6. Step 6: Final answer
    x = 12,741.74

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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.