Home / 53,421.80-73,725.74-30,766.75

Finding the Fourth Proportional to 53,421.80, 73,725.74 and 30,766.75

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Solution

The fourth proportional to 53,421.80, 73,725.74 and 30,766.75 is: 42,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,421.80 : 73,725.74 = 30,766.75 : x
  2. Step 2: Convert to fraction form
    53,421.80/73,725.74 = 30,766.75/x
  3. Step 3: Cross multiply
    53,421.80x = 73,725.74 × 30,766.75
  4. Step 4: Simplify right side
    53,421.80x = 2,268,301,776.14
  5. Step 5: Solve for x
    x = 2,268,301,776.14/53,421.80
  6. Step 6: Final answer
    x = 42,460.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.