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Finding the Fourth Proportional to 46,699, 64,444.62 and 25,478.73

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Solution

The fourth proportional to 46,699, 64,444.62 and 25,478.73 is: 35,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,699 : 64,444.62 = 25,478.73 : x
  2. Step 2: Convert to fraction form
    46,699/64,444.62 = 25,478.73/x
  3. Step 3: Cross multiply
    46,699x = 64,444.62 × 25,478.73
  4. Step 4: Simplify right side
    46,699x = 1,641,967,072.93
  5. Step 5: Solve for x
    x = 1,641,967,072.93/46,699
  6. Step 6: Final answer
    x = 35,160.65

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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.