Home / 35,428.23-48,889.08-19,509.66

Finding the Fourth Proportional to 35,428.23, 48,889.08 and 19,509.66

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Solution

The fourth proportional to 35,428.23, 48,889.08 and 19,509.66 is: 26,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.23 : 48,889.08 = 19,509.66 : x
  2. Step 2: Convert to fraction form
    35,428.23/48,889.08 = 19,509.66/x
  3. Step 3: Cross multiply
    35,428.23x = 48,889.08 × 19,509.66
  4. Step 4: Simplify right side
    35,428.23x = 953,809,328.51
  5. Step 5: Solve for x
    x = 953,809,328.51/35,428.23
  6. Step 6: Final answer
    x = 26,922.30

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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.