Home / 42,384.48-63,578.34-14,305.02

Finding the Fourth Proportional to 42,384.48, 63,578.34 and 14,305.02

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Solution

The fourth proportional to 42,384.48, 63,578.34 and 14,305.02 is: 21,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,384.48 : 63,578.34 = 14,305.02 : x
  2. Step 2: Convert to fraction form
    42,384.48/63,578.34 = 14,305.02/x
  3. Step 3: Cross multiply
    42,384.48x = 63,578.34 × 14,305.02
  4. Step 4: Simplify right side
    42,384.48x = 909,489,425.27
  5. Step 5: Solve for x
    x = 909,489,425.27/42,384.48
  6. Step 6: Final answer
    x = 21,458.08

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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.