Home / 53,387.82-80,130.02-28,448.93

Finding the Fourth Proportional to 53,387.82, 80,130.02 and 28,448.93

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Solution

The fourth proportional to 53,387.82, 80,130.02 and 28,448.93 is: 42,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,387.82 : 80,130.02 = 28,448.93 : x
  2. Step 2: Convert to fraction form
    53,387.82/80,130.02 = 28,448.93/x
  3. Step 3: Cross multiply
    53,387.82x = 80,130.02 × 28,448.93
  4. Step 4: Simplify right side
    53,387.82x = 2,279,612,786.98
  5. Step 5: Solve for x
    x = 2,279,612,786.98/53,387.82
  6. Step 6: Final answer
    x = 42,699.12

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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.