Home / 35,420.81-48,880.73-19,505.23

Finding the Fourth Proportional to 35,420.81, 48,880.73 and 19,505.23

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Solution

The fourth proportional to 35,420.81, 48,880.73 and 19,505.23 is: 26,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.81 : 48,880.73 = 19,505.23 : x
  2. Step 2: Convert to fraction form
    35,420.81/48,880.73 = 19,505.23/x
  3. Step 3: Cross multiply
    35,420.81x = 48,880.73 × 19,505.23
  4. Step 4: Simplify right side
    35,420.81x = 953,429,661.49
  5. Step 5: Solve for x
    x = 953,429,661.49/35,420.81
  6. Step 6: Final answer
    x = 26,917.22

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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.