Home / 42,315.06-63,571.77-39,921.18

Finding the Fourth Proportional to 42,315.06, 63,571.77 and 39,921.18

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Solution

The fourth proportional to 42,315.06, 63,571.77 and 39,921.18 is: 59,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,315.06 : 63,571.77 = 39,921.18 : x
  2. Step 2: Convert to fraction form
    42,315.06/63,571.77 = 39,921.18/x
  3. Step 3: Cross multiply
    42,315.06x = 63,571.77 × 39,921.18
  4. Step 4: Simplify right side
    42,315.06x = 2,537,860,258.80
  5. Step 5: Solve for x
    x = 2,537,860,258.80/42,315.06
  6. Step 6: Final answer
    x = 59,975.35

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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.