Home / 55,661.74-76,810.35-30,506.38

Finding the Fourth Proportional to 55,661.74, 76,810.35 and 30,506.38

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Solution

The fourth proportional to 55,661.74, 76,810.35 and 30,506.38 is: 42,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.74 : 76,810.35 = 30,506.38 : x
  2. Step 2: Convert to fraction form
    55,661.74/76,810.35 = 30,506.38/x
  3. Step 3: Cross multiply
    55,661.74x = 76,810.35 × 30,506.38
  4. Step 4: Simplify right side
    55,661.74x = 2,343,205,725.03
  5. Step 5: Solve for x
    x = 2,343,205,725.03/55,661.74
  6. Step 6: Final answer
    x = 42,097.24

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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.