Home / 46,320.56-69,482.32-20,020.40

Finding the Fourth Proportional to 46,320.56, 69,482.32 and 20,020.40

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Solution

The fourth proportional to 46,320.56, 69,482.32 and 20,020.40 is: 30,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,320.56 : 69,482.32 = 20,020.40 : x
  2. Step 2: Convert to fraction form
    46,320.56/69,482.32 = 20,020.40/x
  3. Step 3: Cross multiply
    46,320.56x = 69,482.32 × 20,020.40
  4. Step 4: Simplify right side
    46,320.56x = 1,391,063,839.33
  5. Step 5: Solve for x
    x = 1,391,063,839.33/46,320.56
  6. Step 6: Final answer
    x = 30,031.24

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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.