Home / 52,652.69-72,660.67-28,779.36

Finding the Fourth Proportional to 52,652.69, 72,660.67 and 28,779.36

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Solution

The fourth proportional to 52,652.69, 72,660.67 and 28,779.36 is: 39,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,652.69 : 72,660.67 = 28,779.36 : x
  2. Step 2: Convert to fraction form
    52,652.69/72,660.67 = 28,779.36/x
  3. Step 3: Cross multiply
    52,652.69x = 72,660.67 × 28,779.36
  4. Step 4: Simplify right side
    52,652.69x = 2,091,127,579.77
  5. Step 5: Solve for x
    x = 2,091,127,579.77/52,652.69
  6. Step 6: Final answer
    x = 39,715.49

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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.