Home / 32,847.81-45,313.74-19,412.57

Finding the Fourth Proportional to 32,847.81, 45,313.74 and 19,412.57

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Solution

The fourth proportional to 32,847.81, 45,313.74 and 19,412.57 is: 26,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,847.81 : 45,313.74 = 19,412.57 : x
  2. Step 2: Convert to fraction form
    32,847.81/45,313.74 = 19,412.57/x
  3. Step 3: Cross multiply
    32,847.81x = 45,313.74 × 19,412.57
  4. Step 4: Simplify right side
    32,847.81x = 879,655,923.14
  5. Step 5: Solve for x
    x = 879,655,923.14/32,847.81
  6. Step 6: Final answer
    x = 26,779.74

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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.