Home / 53,051.32-73,209.42-28,851.60

Finding the Fourth Proportional to 53,051.32, 73,209.42 and 28,851.60

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Solution

The fourth proportional to 53,051.32, 73,209.42 and 28,851.60 is: 39,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,051.32 : 73,209.42 = 28,851.60 : x
  2. Step 2: Convert to fraction form
    53,051.32/73,209.42 = 28,851.60/x
  3. Step 3: Cross multiply
    53,051.32x = 73,209.42 × 28,851.60
  4. Step 4: Simplify right side
    53,051.32x = 2,112,208,902.07
  5. Step 5: Solve for x
    x = 2,112,208,902.07/53,051.32
  6. Step 6: Final answer
    x = 39,814.45

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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.