Home / 33,109.08-45,697.02-18,971.40

Finding the Fourth Proportional to 33,109.08, 45,697.02 and 18,971.40

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Solution

The fourth proportional to 33,109.08, 45,697.02 and 18,971.40 is: 26,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,109.08 : 45,697.02 = 18,971.40 : x
  2. Step 2: Convert to fraction form
    33,109.08/45,697.02 = 18,971.40/x
  3. Step 3: Cross multiply
    33,109.08x = 45,697.02 × 18,971.40
  4. Step 4: Simplify right side
    33,109.08x = 866,936,445.23
  5. Step 5: Solve for x
    x = 866,936,445.23/33,109.08
  6. Step 6: Final answer
    x = 26,184.25

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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.