Home / 39,878.07-59,726.41-30,921.62

Finding the Fourth Proportional to 39,878.07, 59,726.41 and 30,921.62

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Solution

The fourth proportional to 39,878.07, 59,726.41 and 30,921.62 is: 46,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878.07 : 59,726.41 = 30,921.62 : x
  2. Step 2: Convert to fraction form
    39,878.07/59,726.41 = 30,921.62/x
  3. Step 3: Cross multiply
    39,878.07x = 59,726.41 × 30,921.62
  4. Step 4: Simplify right side
    39,878.07x = 1,846,837,353.98
  5. Step 5: Solve for x
    x = 1,846,837,353.98/39,878.07
  6. Step 6: Final answer
    x = 46,312.10

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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.