Home / 34,838.90-48,077.76-18,923.01

Finding the Fourth Proportional to 34,838.90, 48,077.76 and 18,923.01

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Solution

The fourth proportional to 34,838.90, 48,077.76 and 18,923.01 is: 26,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,838.90 : 48,077.76 = 18,923.01 : x
  2. Step 2: Convert to fraction form
    34,838.90/48,077.76 = 18,923.01/x
  3. Step 3: Cross multiply
    34,838.90x = 48,077.76 × 18,923.01
  4. Step 4: Simplify right side
    34,838.90x = 909,775,933.26
  5. Step 5: Solve for x
    x = 909,775,933.26/34,838.90
  6. Step 6: Final answer
    x = 26,113.80

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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.