Home / 35,346.90-48,777.49-19,431.25

Finding the Fourth Proportional to 35,346.90, 48,777.49 and 19,431.25

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Solution

The fourth proportional to 35,346.90, 48,777.49 and 19,431.25 is: 26,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.90 : 48,777.49 = 19,431.25 : x
  2. Step 2: Convert to fraction form
    35,346.90/48,777.49 = 19,431.25/x
  3. Step 3: Cross multiply
    35,346.90x = 48,777.49 × 19,431.25
  4. Step 4: Simplify right side
    35,346.90x = 947,807,602.56
  5. Step 5: Solve for x
    x = 947,807,602.56/35,346.90
  6. Step 6: Final answer
    x = 26,814.45

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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.