Home / 35,403.23-48,856.80-19,488

Finding the Fourth Proportional to 35,403.23, 48,856.80 and 19,488

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Solution

The fourth proportional to 35,403.23, 48,856.80 and 19,488 is: 26,893.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.23 : 48,856.80 = 19,488 : x
  2. Step 2: Convert to fraction form
    35,403.23/48,856.80 = 19,488/x
  3. Step 3: Cross multiply
    35,403.23x = 48,856.80 × 19,488
  4. Step 4: Simplify right side
    35,403.23x = 952,121,318.40
  5. Step 5: Solve for x
    x = 952,121,318.40/35,403.23
  6. Step 6: Final answer
    x = 26,893.63

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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.