Home / 30,205.55-45,270.05-17,065.32

Finding the Fourth Proportional to 30,205.55, 45,270.05 and 17,065.32

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Solution

The fourth proportional to 30,205.55, 45,270.05 and 17,065.32 is: 25,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.55 : 45,270.05 = 17,065.32 : x
  2. Step 2: Convert to fraction form
    30,205.55/45,270.05 = 17,065.32/x
  3. Step 3: Cross multiply
    30,205.55x = 45,270.05 × 17,065.32
  4. Step 4: Simplify right side
    30,205.55x = 772,547,804.34
  5. Step 5: Solve for x
    x = 772,547,804.34/30,205.55
  6. Step 6: Final answer
    x = 25,576.36

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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.