Home / 30,959.24-42,724.18-17,530.21

Finding the Fourth Proportional to 30,959.24, 42,724.18 and 17,530.21

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Solution

The fourth proportional to 30,959.24, 42,724.18 and 17,530.21 is: 24,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959.24 : 42,724.18 = 17,530.21 : x
  2. Step 2: Convert to fraction form
    30,959.24/42,724.18 = 17,530.21/x
  3. Step 3: Cross multiply
    30,959.24x = 42,724.18 × 17,530.21
  4. Step 4: Simplify right side
    30,959.24x = 748,963,762.58
  5. Step 5: Solve for x
    x = 748,963,762.58/30,959.24
  6. Step 6: Final answer
    x = 24,191.93

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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.