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Finding the Fourth Proportional to 46,437.78, 69,656.70 and 16,855.56

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Solution

The fourth proportional to 46,437.78, 69,656.70 and 16,855.56 is: 25,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,437.78 : 69,656.70 = 16,855.56 : x
  2. Step 2: Convert to fraction form
    46,437.78/69,656.70 = 16,855.56/x
  3. Step 3: Cross multiply
    46,437.78x = 69,656.70 × 16,855.56
  4. Step 4: Simplify right side
    46,437.78x = 1,174,102,686.25
  5. Step 5: Solve for x
    x = 1,174,102,686.25/46,437.78
  6. Step 6: Final answer
    x = 25,283.35

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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.