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Finding the Fourth Proportional to 46,872, 70,319.52 and 14,040

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Solution

The fourth proportional to 46,872, 70,319.52 and 14,040 is: 21,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,872 : 70,319.52 = 14,040 : x
  2. Step 2: Convert to fraction form
    46,872/70,319.52 = 14,040/x
  3. Step 3: Cross multiply
    46,872x = 70,319.52 × 14,040
  4. Step 4: Simplify right side
    46,872x = 987,286,060.80
  5. Step 5: Solve for x
    x = 987,286,060.80/46,872
  6. Step 6: Final answer
    x = 21,063.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.