Home / 67,415.20-93,051.48-39,130

Finding the Fourth Proportional to 67,415.20, 93,051.48 and 39,130

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Solution

The fourth proportional to 67,415.20, 93,051.48 and 39,130 is: 54,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,415.20 : 93,051.48 = 39,130 : x
  2. Step 2: Convert to fraction form
    67,415.20/93,051.48 = 39,130/x
  3. Step 3: Cross multiply
    67,415.20x = 93,051.48 × 39,130
  4. Step 4: Simplify right side
    67,415.20x = 3,641,104,412.40
  5. Step 5: Solve for x
    x = 3,641,104,412.40/67,415.20
  6. Step 6: Final answer
    x = 54,010.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.