Home / 48,085.30-72,133.75-20,024.38

Finding the Fourth Proportional to 48,085.30, 72,133.75 and 20,024.38

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Solution

The fourth proportional to 48,085.30, 72,133.75 and 20,024.38 is: 30,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,085.30 : 72,133.75 = 20,024.38 : x
  2. Step 2: Convert to fraction form
    48,085.30/72,133.75 = 20,024.38/x
  3. Step 3: Cross multiply
    48,085.30x = 72,133.75 × 20,024.38
  4. Step 4: Simplify right side
    48,085.30x = 1,444,433,459.87
  5. Step 5: Solve for x
    x = 1,444,433,459.87/48,085.30
  6. Step 6: Final answer
    x = 30,038.98

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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.