Home / 35,139.16-48,475.29-21,705.58

Finding the Fourth Proportional to 35,139.16, 48,475.29 and 21,705.58

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Solution

The fourth proportional to 35,139.16, 48,475.29 and 21,705.58 is: 29,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,139.16 : 48,475.29 = 21,705.58 : x
  2. Step 2: Convert to fraction form
    35,139.16/48,475.29 = 21,705.58/x
  3. Step 3: Cross multiply
    35,139.16x = 48,475.29 × 21,705.58
  4. Step 4: Simplify right side
    35,139.16x = 1,052,184,285.12
  5. Step 5: Solve for x
    x = 1,052,184,285.12/35,139.16
  6. Step 6: Final answer
    x = 29,943.35

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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.