Home / 47,037.84-70,557.48-11,978.16

Finding the Fourth Proportional to 47,037.84, 70,557.48 and 11,978.16

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Solution

The fourth proportional to 47,037.84, 70,557.48 and 11,978.16 is: 17,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,037.84 : 70,557.48 = 11,978.16 : x
  2. Step 2: Convert to fraction form
    47,037.84/70,557.48 = 11,978.16/x
  3. Step 3: Cross multiply
    47,037.84x = 70,557.48 × 11,978.16
  4. Step 4: Simplify right side
    47,037.84x = 845,148,784.64
  5. Step 5: Solve for x
    x = 845,148,784.64/47,037.84
  6. Step 6: Final answer
    x = 17,967.42

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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.