Home / 42,100.49-63,129.60-14,010.63

Finding the Fourth Proportional to 42,100.49, 63,129.60 and 14,010.63

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Solution

The fourth proportional to 42,100.49, 63,129.60 and 14,010.63 is: 21,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,100.49 : 63,129.60 = 14,010.63 : x
  2. Step 2: Convert to fraction form
    42,100.49/63,129.60 = 14,010.63/x
  3. Step 3: Cross multiply
    42,100.49x = 63,129.60 × 14,010.63
  4. Step 4: Simplify right side
    42,100.49x = 884,485,467.65
  5. Step 5: Solve for x
    x = 884,485,467.65/42,100.49
  6. Step 6: Final answer
    x = 21,008.91

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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.