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Finding the Fourth Proportional to 30,001.34, 45,001.46 and 8,955.68

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Solution

The fourth proportional to 30,001.34, 45,001.46 and 8,955.68 is: 13,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.34 : 45,001.46 = 8,955.68 : x
  2. Step 2: Convert to fraction form
    30,001.34/45,001.46 = 8,955.68/x
  3. Step 3: Cross multiply
    30,001.34x = 45,001.46 × 8,955.68
  4. Step 4: Simplify right side
    30,001.34x = 403,018,675.29
  5. Step 5: Solve for x
    x = 403,018,675.29/30,001.34
  6. Step 6: Final answer
    x = 13,433.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.