Home / 42,290.16-63,442.44-14,212.92

Finding the Fourth Proportional to 42,290.16, 63,442.44 and 14,212.92

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Solution

The fourth proportional to 42,290.16, 63,442.44 and 14,212.92 is: 21,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,290.16 : 63,442.44 = 14,212.92 : x
  2. Step 2: Convert to fraction form
    42,290.16/63,442.44 = 14,212.92/x
  3. Step 3: Cross multiply
    42,290.16x = 63,442.44 × 14,212.92
  4. Step 4: Simplify right side
    42,290.16x = 901,702,324.32
  5. Step 5: Solve for x
    x = 901,702,324.32/42,290.16
  6. Step 6: Final answer
    x = 21,321.80

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1.5x scale

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.