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Finding the Fourth Proportional to 32,490.78, 44,827.12 and 19,062.60

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Solution

The fourth proportional to 32,490.78, 44,827.12 and 19,062.60 is: 26,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.78 : 44,827.12 = 19,062.60 : x
  2. Step 2: Convert to fraction form
    32,490.78/44,827.12 = 19,062.60/x
  3. Step 3: Cross multiply
    32,490.78x = 44,827.12 × 19,062.60
  4. Step 4: Simplify right side
    32,490.78x = 854,521,457.71
  5. Step 5: Solve for x
    x = 854,521,457.71/32,490.78
  6. Step 6: Final answer
    x = 26,300.43

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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.