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Finding the Fourth Proportional to 65,011.77, 97,521 and 18,268.29

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Solution

The fourth proportional to 65,011.77, 97,521 and 18,268.29 is: 27,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,011.77 : 97,521 = 18,268.29 : x
  2. Step 2: Convert to fraction form
    65,011.77/97,521 = 18,268.29/x
  3. Step 3: Cross multiply
    65,011.77x = 97,521 × 18,268.29
  4. Step 4: Simplify right side
    65,011.77x = 1,781,541,909.09
  5. Step 5: Solve for x
    x = 1,781,541,909.09/65,011.77
  6. Step 6: Final answer
    x = 27,403.37

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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.