Home / 35,409.15-48,864.84-20,302.74

Finding the Fourth Proportional to 35,409.15, 48,864.84 and 20,302.74

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Solution

The fourth proportional to 35,409.15, 48,864.84 and 20,302.74 is: 28,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.15 : 48,864.84 = 20,302.74 : x
  2. Step 2: Convert to fraction form
    35,409.15/48,864.84 = 20,302.74/x
  3. Step 3: Cross multiply
    35,409.15x = 48,864.84 × 20,302.74
  4. Step 4: Simplify right side
    35,409.15x = 992,090,141.66
  5. Step 5: Solve for x
    x = 992,090,141.66/35,409.15
  6. Step 6: Final answer
    x = 28,017.90

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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.