Home / 30,065.33-41,484.56-19,312.12

Finding the Fourth Proportional to 30,065.33, 41,484.56 and 19,312.12

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Solution

The fourth proportional to 30,065.33, 41,484.56 and 19,312.12 is: 26,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.33 : 41,484.56 = 19,312.12 : x
  2. Step 2: Convert to fraction form
    30,065.33/41,484.56 = 19,312.12/x
  3. Step 3: Cross multiply
    30,065.33x = 41,484.56 × 19,312.12
  4. Step 4: Simplify right side
    30,065.33x = 801,154,756.16
  5. Step 5: Solve for x
    x = 801,154,756.16/30,065.33
  6. Step 6: Final answer
    x = 26,647.13

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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.