Home / 52,411.36-72,326.64-28,538.32

Finding the Fourth Proportional to 52,411.36, 72,326.64 and 28,538.32

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Solution

The fourth proportional to 52,411.36, 72,326.64 and 28,538.32 is: 39,382.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,411.36 : 72,326.64 = 28,538.32 : x
  2. Step 2: Convert to fraction form
    52,411.36/72,326.64 = 28,538.32/x
  3. Step 3: Cross multiply
    52,411.36x = 72,326.64 × 28,538.32
  4. Step 4: Simplify right side
    52,411.36x = 2,064,080,796.84
  5. Step 5: Solve for x
    x = 2,064,080,796.84/52,411.36
  6. Step 6: Final answer
    x = 39,382.32

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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.