Home / 35,985.10-49,661.87-20,877.77

Finding the Fourth Proportional to 35,985.10, 49,661.87 and 20,877.77

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Solution

The fourth proportional to 35,985.10, 49,661.87 and 20,877.77 is: 28,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985.10 : 49,661.87 = 20,877.77 : x
  2. Step 2: Convert to fraction form
    35,985.10/49,661.87 = 20,877.77/x
  3. Step 3: Cross multiply
    35,985.10x = 49,661.87 × 20,877.77
  4. Step 4: Simplify right side
    35,985.10x = 1,036,828,957.49
  5. Step 5: Solve for x
    x = 1,036,828,957.49/35,985.10
  6. Step 6: Final answer
    x = 28,812.73

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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.