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Finding the Fourth Proportional to 46,676.63, 64,413.10 and 25,455.89

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Solution

The fourth proportional to 46,676.63, 64,413.10 and 25,455.89 is: 35,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,676.63 : 64,413.10 = 25,455.89 : x
  2. Step 2: Convert to fraction form
    46,676.63/64,413.10 = 25,455.89/x
  3. Step 3: Cross multiply
    46,676.63x = 64,413.10 × 25,455.89
  4. Step 4: Simplify right side
    46,676.63x = 1,639,692,788.16
  5. Step 5: Solve for x
    x = 1,639,692,788.16/46,676.63
  6. Step 6: Final answer
    x = 35,128.77

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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.