Home / 29,495.07-40,663.40-28,577.79

Finding the Fourth Proportional to 29,495.07, 40,663.40 and 28,577.79

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Solution

The fourth proportional to 29,495.07, 40,663.40 and 28,577.79 is: 39,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,495.07 : 40,663.40 = 28,577.79 : x
  2. Step 2: Convert to fraction form
    29,495.07/40,663.40 = 28,577.79/x
  3. Step 3: Cross multiply
    29,495.07x = 40,663.40 × 28,577.79
  4. Step 4: Simplify right side
    29,495.07x = 1,162,069,963.00
  5. Step 5: Solve for x
    x = 1,162,069,963.00/29,495.07
  6. Step 6: Final answer
    x = 39,398.79

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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.