Home / 53,009.09-73,153.10-28,810.04

Finding the Fourth Proportional to 53,009.09, 73,153.10 and 28,810.04

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Solution

The fourth proportional to 53,009.09, 73,153.10 and 28,810.04 is: 39,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.09 : 73,153.10 = 28,810.04 : x
  2. Step 2: Convert to fraction form
    53,009.09/73,153.10 = 28,810.04/x
  3. Step 3: Cross multiply
    53,009.09x = 73,153.10 × 28,810.04
  4. Step 4: Simplify right side
    53,009.09x = 2,107,543,775.96
  5. Step 5: Solve for x
    x = 2,107,543,775.96/53,009.09
  6. Step 6: Final answer
    x = 39,758.16

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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.