Home / 31,018.28-42,814.97-17,598.45

Finding the Fourth Proportional to 31,018.28, 42,814.97 and 17,598.45

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Solution

The fourth proportional to 31,018.28, 42,814.97 and 17,598.45 is: 24,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018.28 : 42,814.97 = 17,598.45 : x
  2. Step 2: Convert to fraction form
    31,018.28/42,814.97 = 17,598.45/x
  3. Step 3: Cross multiply
    31,018.28x = 42,814.97 × 17,598.45
  4. Step 4: Simplify right side
    31,018.28x = 753,477,020.80
  5. Step 5: Solve for x
    x = 753,477,020.80/31,018.28
  6. Step 6: Final answer
    x = 24,291.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.