Home / 61,430.06-92,145.03-19,309.94

Finding the Fourth Proportional to 61,430.06, 92,145.03 and 19,309.94

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Solution

The fourth proportional to 61,430.06, 92,145.03 and 19,309.94 is: 28,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,430.06 : 92,145.03 = 19,309.94 : x
  2. Step 2: Convert to fraction form
    61,430.06/92,145.03 = 19,309.94/x
  3. Step 3: Cross multiply
    61,430.06x = 92,145.03 × 19,309.94
  4. Step 4: Simplify right side
    61,430.06x = 1,779,315,000.60
  5. Step 5: Solve for x
    x = 1,779,315,000.60/61,430.06
  6. Step 6: Final answer
    x = 28,964.89

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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.