Home / 77,020.30-115,542.60-24,435.10

Finding the Fourth Proportional to 77,020.30, 115,542.60 and 24,435.10

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Solution

The fourth proportional to 77,020.30, 115,542.60 and 24,435.10 is: 36,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,020.30 : 115,542.60 = 24,435.10 : x
  2. Step 2: Convert to fraction form
    77,020.30/115,542.60 = 24,435.10/x
  3. Step 3: Cross multiply
    77,020.30x = 115,542.60 × 24,435.10
  4. Step 4: Simplify right side
    77,020.30x = 2,823,294,985.26
  5. Step 5: Solve for x
    x = 2,823,294,985.26/77,020.30
  6. Step 6: Final answer
    x = 36,656.50

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1.5x scale

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.