Home / 42,848.98-64,273.44-19,459

Finding the Fourth Proportional to 42,848.98, 64,273.44 and 19,459

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Solution

The fourth proportional to 42,848.98, 64,273.44 and 19,459 is: 29,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,848.98 : 64,273.44 = 19,459 : x
  2. Step 2: Convert to fraction form
    42,848.98/64,273.44 = 19,459/x
  3. Step 3: Cross multiply
    42,848.98x = 64,273.44 × 19,459
  4. Step 4: Simplify right side
    42,848.98x = 1,250,696,868.96
  5. Step 5: Solve for x
    x = 1,250,696,868.96/42,848.98
  6. Step 6: Final answer
    x = 29,188.49

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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.