Home / 35,901.57-49,543.28-19,985.67

Finding the Fourth Proportional to 35,901.57, 49,543.28 and 19,985.67

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Solution

The fourth proportional to 35,901.57, 49,543.28 and 19,985.67 is: 27,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.57 : 49,543.28 = 19,985.67 : x
  2. Step 2: Convert to fraction form
    35,901.57/49,543.28 = 19,985.67/x
  3. Step 3: Cross multiply
    35,901.57x = 49,543.28 × 19,985.67
  4. Step 4: Simplify right side
    35,901.57x = 990,155,644.80
  5. Step 5: Solve for x
    x = 990,155,644.80/35,901.57
  6. Step 6: Final answer
    x = 27,579.73

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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.