Home / 52,581.40-72,563.48-28,709.08

Finding the Fourth Proportional to 52,581.40, 72,563.48 and 28,709.08

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Solution

The fourth proportional to 52,581.40, 72,563.48 and 28,709.08 is: 39,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,581.40 : 72,563.48 = 28,709.08 : x
  2. Step 2: Convert to fraction form
    52,581.40/72,563.48 = 28,709.08/x
  3. Step 3: Cross multiply
    52,581.40x = 72,563.48 × 28,709.08
  4. Step 4: Simplify right side
    52,581.40x = 2,083,230,752.40
  5. Step 5: Solve for x
    x = 2,083,230,752.40/52,581.40
  6. Step 6: Final answer
    x = 39,619.16

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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.