Home / 53,505.52-80,263.59-19,780.37

Finding the Fourth Proportional to 53,505.52, 80,263.59 and 19,780.37

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Solution

The fourth proportional to 53,505.52, 80,263.59 and 19,780.37 is: 29,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,505.52 : 80,263.59 = 19,780.37 : x
  2. Step 2: Convert to fraction form
    53,505.52/80,263.59 = 19,780.37/x
  3. Step 3: Cross multiply
    53,505.52x = 80,263.59 × 19,780.37
  4. Step 4: Simplify right side
    53,505.52x = 1,587,643,784.71
  5. Step 5: Solve for x
    x = 1,587,643,784.71/53,505.52
  6. Step 6: Final answer
    x = 29,672.52

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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.