Home / 30,068.64-45,070.56-12,527.28

Finding the Fourth Proportional to 30,068.64, 45,070.56 and 12,527.28

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Solution

The fourth proportional to 30,068.64, 45,070.56 and 12,527.28 is: 18,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.64 : 45,070.56 = 12,527.28 : x
  2. Step 2: Convert to fraction form
    30,068.64/45,070.56 = 12,527.28/x
  3. Step 3: Cross multiply
    30,068.64x = 45,070.56 × 12,527.28
  4. Step 4: Simplify right side
    30,068.64x = 564,611,524.88
  5. Step 5: Solve for x
    x = 564,611,524.88/30,068.64
  6. Step 6: Final answer
    x = 18,777.42

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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.