Home / 35,424.75-48,881.91-20,316.63

Finding the Fourth Proportional to 35,424.75, 48,881.91 and 20,316.63

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Solution

The fourth proportional to 35,424.75, 48,881.91 and 20,316.63 is: 28,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.75 : 48,881.91 = 20,316.63 : x
  2. Step 2: Convert to fraction form
    35,424.75/48,881.91 = 20,316.63/x
  3. Step 3: Cross multiply
    35,424.75x = 48,881.91 × 20,316.63
  4. Step 4: Simplify right side
    35,424.75x = 993,115,679.16
  5. Step 5: Solve for x
    x = 993,115,679.16/35,424.75
  6. Step 6: Final answer
    x = 28,034.51

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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.