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Finding the Fourth Proportional to 56,643.86, 84,960.29 and 17,201.32

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Solution

The fourth proportional to 56,643.86, 84,960.29 and 17,201.32 is: 25,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643.86 : 84,960.29 = 17,201.32 : x
  2. Step 2: Convert to fraction form
    56,643.86/84,960.29 = 17,201.32/x
  3. Step 3: Cross multiply
    56,643.86x = 84,960.29 × 17,201.32
  4. Step 4: Simplify right side
    56,643.86x = 1,461,428,966.19
  5. Step 5: Solve for x
    x = 1,461,428,966.19/56,643.86
  6. Step 6: Final answer
    x = 25,800.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.