Home / 30,458.84-42,033.08-17,030.05

Finding the Fourth Proportional to 30,458.84, 42,033.08 and 17,030.05

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Solution

The fourth proportional to 30,458.84, 42,033.08 and 17,030.05 is: 23,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,458.84 : 42,033.08 = 17,030.05 : x
  2. Step 2: Convert to fraction form
    30,458.84/42,033.08 = 17,030.05/x
  3. Step 3: Cross multiply
    30,458.84x = 42,033.08 × 17,030.05
  4. Step 4: Simplify right side
    30,458.84x = 715,825,295.75
  5. Step 5: Solve for x
    x = 715,825,295.75/30,458.84
  6. Step 6: Final answer
    x = 23,501.40

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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.