Home / 33,172.60-45,823.14-30,810.76

Finding the Fourth Proportional to 33,172.60, 45,823.14 and 30,810.76

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Solution

The fourth proportional to 33,172.60, 45,823.14 and 30,810.76 is: 42,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.60 : 45,823.14 = 30,810.76 : x
  2. Step 2: Convert to fraction form
    33,172.60/45,823.14 = 30,810.76/x
  3. Step 3: Cross multiply
    33,172.60x = 45,823.14 × 30,810.76
  4. Step 4: Simplify right side
    33,172.60x = 1,411,845,768.99
  5. Step 5: Solve for x
    x = 1,411,845,768.99/33,172.60
  6. Step 6: Final answer
    x = 42,560.60

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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.