Home / 53,313.75-79,947.32-28,347.75

Finding the Fourth Proportional to 53,313.75, 79,947.32 and 28,347.75

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Solution

The fourth proportional to 53,313.75, 79,947.32 and 28,347.75 is: 42,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,313.75 : 79,947.32 = 28,347.75 : x
  2. Step 2: Convert to fraction form
    53,313.75/79,947.32 = 28,347.75/x
  3. Step 3: Cross multiply
    53,313.75x = 79,947.32 × 28,347.75
  4. Step 4: Simplify right side
    53,313.75x = 2,266,326,498.79
  5. Step 5: Solve for x
    x = 2,266,326,498.79/53,313.75
  6. Step 6: Final answer
    x = 42,509.23

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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.