Home / 53,008.88-73,152.81-28,809.84

Finding the Fourth Proportional to 53,008.88, 73,152.81 and 28,809.84

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Solution

The fourth proportional to 53,008.88, 73,152.81 and 28,809.84 is: 39,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.88 : 73,152.81 = 28,809.84 : x
  2. Step 2: Convert to fraction form
    53,008.88/73,152.81 = 28,809.84/x
  3. Step 3: Cross multiply
    53,008.88x = 73,152.81 × 28,809.84
  4. Step 4: Simplify right side
    53,008.88x = 2,107,520,751.65
  5. Step 5: Solve for x
    x = 2,107,520,751.65/53,008.88
  6. Step 6: Final answer
    x = 39,757.88

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1.5x scale

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.