Home / 35,305.22-48,699.81-20,955.59

Finding the Fourth Proportional to 35,305.22, 48,699.81 and 20,955.59

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Solution

The fourth proportional to 35,305.22, 48,699.81 and 20,955.59 is: 28,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.22 : 48,699.81 = 20,955.59 : x
  2. Step 2: Convert to fraction form
    35,305.22/48,699.81 = 20,955.59/x
  3. Step 3: Cross multiply
    35,305.22x = 48,699.81 × 20,955.59
  4. Step 4: Simplify right side
    35,305.22x = 1,020,533,373.19
  5. Step 5: Solve for x
    x = 1,020,533,373.19/35,305.22
  6. Step 6: Final answer
    x = 28,906.02

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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.