Home / 53,317.48-79,968.02-17,779.41

Finding the Fourth Proportional to 53,317.48, 79,968.02 and 17,779.41

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Solution

The fourth proportional to 53,317.48, 79,968.02 and 17,779.41 is: 26,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,317.48 : 79,968.02 = 17,779.41 : x
  2. Step 2: Convert to fraction form
    53,317.48/79,968.02 = 17,779.41/x
  3. Step 3: Cross multiply
    53,317.48x = 79,968.02 × 17,779.41
  4. Step 4: Simplify right side
    53,317.48x = 1,421,784,425.45
  5. Step 5: Solve for x
    x = 1,421,784,425.45/53,317.48
  6. Step 6: Final answer
    x = 26,666.39

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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.