Home / 32,668.16-45,070.10-19,917.03

Finding the Fourth Proportional to 32,668.16, 45,070.10 and 19,917.03

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Solution

The fourth proportional to 32,668.16, 45,070.10 and 19,917.03 is: 27,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,668.16 : 45,070.10 = 19,917.03 : x
  2. Step 2: Convert to fraction form
    32,668.16/45,070.10 = 19,917.03/x
  3. Step 3: Cross multiply
    32,668.16x = 45,070.10 × 19,917.03
  4. Step 4: Simplify right side
    32,668.16x = 897,662,434.22
  5. Step 5: Solve for x
    x = 897,662,434.22/32,668.16
  6. Step 6: Final answer
    x = 27,478.21

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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.