Home / 52,653.65-72,661.19-28,779.84

Finding the Fourth Proportional to 52,653.65, 72,661.19 and 28,779.84

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Solution

The fourth proportional to 52,653.65, 72,661.19 and 28,779.84 is: 39,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.65 : 72,661.19 = 28,779.84 : x
  2. Step 2: Convert to fraction form
    52,653.65/72,661.19 = 28,779.84/x
  3. Step 3: Cross multiply
    52,653.65x = 72,661.19 × 28,779.84
  4. Step 4: Simplify right side
    52,653.65x = 2,091,177,278.51
  5. Step 5: Solve for x
    x = 2,091,177,278.51/52,653.65
  6. Step 6: Final answer
    x = 39,715.72

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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.