Home / 42,231.58-63,365.02-18,526.89

Finding the Fourth Proportional to 42,231.58, 63,365.02 and 18,526.89

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Solution

The fourth proportional to 42,231.58, 63,365.02 and 18,526.89 is: 27,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,231.58 : 63,365.02 = 18,526.89 : x
  2. Step 2: Convert to fraction form
    42,231.58/63,365.02 = 18,526.89/x
  3. Step 3: Cross multiply
    42,231.58x = 63,365.02 × 18,526.89
  4. Step 4: Simplify right side
    42,231.58x = 1,173,956,755.39
  5. Step 5: Solve for x
    x = 1,173,956,755.39/42,231.58
  6. Step 6: Final answer
    x = 27,798.08

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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.