Home / 33,000.48-45,536.58-21,070.80

Finding the Fourth Proportional to 33,000.48, 45,536.58 and 21,070.80

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Solution

The fourth proportional to 33,000.48, 45,536.58 and 21,070.80 is: 29,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.48 : 45,536.58 = 21,070.80 : x
  2. Step 2: Convert to fraction form
    33,000.48/45,536.58 = 21,070.80/x
  3. Step 3: Cross multiply
    33,000.48x = 45,536.58 × 21,070.80
  4. Step 4: Simplify right side
    33,000.48x = 959,492,169.86
  5. Step 5: Solve for x
    x = 959,492,169.86/33,000.48
  6. Step 6: Final answer
    x = 29,075.10

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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.