Home / 35,347.98-53,019.23-20,547.45

Finding the Fourth Proportional to 35,347.98, 53,019.23 and 20,547.45

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Solution

The fourth proportional to 35,347.98, 53,019.23 and 20,547.45 is: 30,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.98 : 53,019.23 = 20,547.45 : x
  2. Step 2: Convert to fraction form
    35,347.98/53,019.23 = 20,547.45/x
  3. Step 3: Cross multiply
    35,347.98x = 53,019.23 × 20,547.45
  4. Step 4: Simplify right side
    35,347.98x = 1,089,409,874.73
  5. Step 5: Solve for x
    x = 1,089,409,874.73/35,347.98
  6. Step 6: Final answer
    x = 30,819.58

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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.