Home / 30,460.19-42,034.93-17,031.45

Finding the Fourth Proportional to 30,460.19, 42,034.93 and 17,031.45

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Solution

The fourth proportional to 30,460.19, 42,034.93 and 17,031.45 is: 23,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.19 : 42,034.93 = 17,031.45 : x
  2. Step 2: Convert to fraction form
    30,460.19/42,034.93 = 17,031.45/x
  3. Step 3: Cross multiply
    30,460.19x = 42,034.93 × 17,031.45
  4. Step 4: Simplify right side
    30,460.19x = 715,915,687.15
  5. Step 5: Solve for x
    x = 715,915,687.15/30,460.19
  6. Step 6: Final answer
    x = 23,503.32

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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.