Home / 53,890.83-80,764.60-28,585.13

Finding the Fourth Proportional to 53,890.83, 80,764.60 and 28,585.13

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Solution

The fourth proportional to 53,890.83, 80,764.60 and 28,585.13 is: 42,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.83 : 80,764.60 = 28,585.13 : x
  2. Step 2: Convert to fraction form
    53,890.83/80,764.60 = 28,585.13/x
  3. Step 3: Cross multiply
    53,890.83x = 80,764.60 × 28,585.13
  4. Step 4: Simplify right side
    53,890.83x = 2,308,666,476.26
  5. Step 5: Solve for x
    x = 2,308,666,476.26/53,890.83
  6. Step 6: Final answer
    x = 42,839.69

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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.