Home / 42,326.60-63,495.15-13,853.77

Finding the Fourth Proportional to 42,326.60, 63,495.15 and 13,853.77

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Solution

The fourth proportional to 42,326.60, 63,495.15 and 13,853.77 is: 20,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,326.60 : 63,495.15 = 13,853.77 : x
  2. Step 2: Convert to fraction form
    42,326.60/63,495.15 = 13,853.77/x
  3. Step 3: Cross multiply
    42,326.60x = 63,495.15 × 13,853.77
  4. Step 4: Simplify right side
    42,326.60x = 879,647,328.32
  5. Step 5: Solve for x
    x = 879,647,328.32/42,326.60
  6. Step 6: Final answer
    x = 20,782.38

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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.