Home / 53,646.80-74,015.44-30,982.79

Finding the Fourth Proportional to 53,646.80, 74,015.44 and 30,982.79

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Solution

The fourth proportional to 53,646.80, 74,015.44 and 30,982.79 is: 42,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,646.80 : 74,015.44 = 30,982.79 : x
  2. Step 2: Convert to fraction form
    53,646.80/74,015.44 = 30,982.79/x
  3. Step 3: Cross multiply
    53,646.80x = 74,015.44 × 30,982.79
  4. Step 4: Simplify right side
    53,646.80x = 2,293,204,941.86
  5. Step 5: Solve for x
    x = 2,293,204,941.86/53,646.80
  6. Step 6: Final answer
    x = 42,746.35

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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.