Home / 55,615.93-76,751.90-30,465.43

Finding the Fourth Proportional to 55,615.93, 76,751.90 and 30,465.43

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Solution

The fourth proportional to 55,615.93, 76,751.90 and 30,465.43 is: 42,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.93 : 76,751.90 = 30,465.43 : x
  2. Step 2: Convert to fraction form
    55,615.93/76,751.90 = 30,465.43/x
  3. Step 3: Cross multiply
    55,615.93x = 76,751.90 × 30,465.43
  4. Step 4: Simplify right side
    55,615.93x = 2,338,279,636.82
  5. Step 5: Solve for x
    x = 2,338,279,636.82/55,615.93
  6. Step 6: Final answer
    x = 42,043.34

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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.