Home / 39,838.10-59,726.36-20,106.50

Finding the Fourth Proportional to 39,838.10, 59,726.36 and 20,106.50

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Solution

The fourth proportional to 39,838.10, 59,726.36 and 20,106.50 is: 30,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.10 : 59,726.36 = 20,106.50 : x
  2. Step 2: Convert to fraction form
    39,838.10/59,726.36 = 20,106.50/x
  3. Step 3: Cross multiply
    39,838.10x = 59,726.36 × 20,106.50
  4. Step 4: Simplify right side
    39,838.10x = 1,200,888,057.34
  5. Step 5: Solve for x
    x = 1,200,888,057.34/39,838.10
  6. Step 6: Final answer
    x = 30,144.21

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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.