Home / 53,400.80-80,005.20-25,637.60

Finding the Fourth Proportional to 53,400.80, 80,005.20 and 25,637.60

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Solution

The fourth proportional to 53,400.80, 80,005.20 and 25,637.60 is: 38,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,400.80 : 80,005.20 = 25,637.60 : x
  2. Step 2: Convert to fraction form
    53,400.80/80,005.20 = 25,637.60/x
  3. Step 3: Cross multiply
    53,400.80x = 80,005.20 × 25,637.60
  4. Step 4: Simplify right side
    53,400.80x = 2,051,141,315.52
  5. Step 5: Solve for x
    x = 2,051,141,315.52/53,400.80
  6. Step 6: Final answer
    x = 38,410.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.