Home / 52,379.77-72,291.87-30,862.65

Finding the Fourth Proportional to 52,379.77, 72,291.87 and 30,862.65

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Solution

The fourth proportional to 52,379.77, 72,291.87 and 30,862.65 is: 42,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,379.77 : 72,291.87 = 30,862.65 : x
  2. Step 2: Convert to fraction form
    52,379.77/72,291.87 = 30,862.65/x
  3. Step 3: Cross multiply
    52,379.77x = 72,291.87 × 30,862.65
  4. Step 4: Simplify right side
    52,379.77x = 2,231,118,681.66
  5. Step 5: Solve for x
    x = 2,231,118,681.66/52,379.77
  6. Step 6: Final answer
    x = 42,595.05

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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.