Home / 30,613.24-42,241.26-18,036.28

Finding the Fourth Proportional to 30,613.24, 42,241.26 and 18,036.28

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Solution

The fourth proportional to 30,613.24, 42,241.26 and 18,036.28 is: 24,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613.24 : 42,241.26 = 18,036.28 : x
  2. Step 2: Convert to fraction form
    30,613.24/42,241.26 = 18,036.28/x
  3. Step 3: Cross multiply
    30,613.24x = 42,241.26 × 18,036.28
  4. Step 4: Simplify right side
    30,613.24x = 761,875,192.91
  5. Step 5: Solve for x
    x = 761,875,192.91/30,613.24
  6. Step 6: Final answer
    x = 24,887.11

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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.