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Finding the Fourth Proportional to 30,030.42, 45,052.02 and 8,970.24

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Solution

The fourth proportional to 30,030.42, 45,052.02 and 8,970.24 is: 13,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.42 : 45,052.02 = 8,970.24 : x
  2. Step 2: Convert to fraction form
    30,030.42/45,052.02 = 8,970.24/x
  3. Step 3: Cross multiply
    30,030.42x = 45,052.02 × 8,970.24
  4. Step 4: Simplify right side
    30,030.42x = 404,127,431.88
  5. Step 5: Solve for x
    x = 404,127,431.88/30,030.42
  6. Step 6: Final answer
    x = 13,457.27

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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.