Home / 53,075.90-73,244.18-28,877.60

Finding the Fourth Proportional to 53,075.90, 73,244.18 and 28,877.60

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Solution

The fourth proportional to 53,075.90, 73,244.18 and 28,877.60 is: 39,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,075.90 : 73,244.18 = 28,877.60 : x
  2. Step 2: Convert to fraction form
    53,075.90/73,244.18 = 28,877.60/x
  3. Step 3: Cross multiply
    53,075.90x = 73,244.18 × 28,877.60
  4. Step 4: Simplify right side
    53,075.90x = 2,115,116,132.37
  5. Step 5: Solve for x
    x = 2,115,116,132.37/53,075.90
  6. Step 6: Final answer
    x = 39,850.78

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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.