Home / 29,223.51-40,361.13-19,775.67

Finding the Fourth Proportional to 29,223.51, 40,361.13 and 19,775.67

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Solution

The fourth proportional to 29,223.51, 40,361.13 and 19,775.67 is: 27,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,223.51 : 40,361.13 = 19,775.67 : x
  2. Step 2: Convert to fraction form
    29,223.51/40,361.13 = 19,775.67/x
  3. Step 3: Cross multiply
    29,223.51x = 40,361.13 × 19,775.67
  4. Step 4: Simplify right side
    29,223.51x = 798,168,387.71
  5. Step 5: Solve for x
    x = 798,168,387.71/29,223.51
  6. Step 6: Final answer
    x = 27,312.54

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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.