Home / 30,001.56-41,403.88-18,068.76

Finding the Fourth Proportional to 30,001.56, 41,403.88 and 18,068.76

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Solution

The fourth proportional to 30,001.56, 41,403.88 and 18,068.76 is: 24,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.56 : 41,403.88 = 18,068.76 : x
  2. Step 2: Convert to fraction form
    30,001.56/41,403.88 = 18,068.76/x
  3. Step 3: Cross multiply
    30,001.56x = 41,403.88 × 18,068.76
  4. Step 4: Simplify right side
    30,001.56x = 748,116,770.79
  5. Step 5: Solve for x
    x = 748,116,770.79/30,001.56
  6. Step 6: Final answer
    x = 24,935.93

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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.