Home / 30,070.28-45,106.50-9,010.56

Finding the Fourth Proportional to 30,070.28, 45,106.50 and 9,010.56

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Solution

The fourth proportional to 30,070.28, 45,106.50 and 9,010.56 is: 13,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.28 : 45,106.50 = 9,010.56 : x
  2. Step 2: Convert to fraction form
    30,070.28/45,106.50 = 9,010.56/x
  3. Step 3: Cross multiply
    30,070.28x = 45,106.50 × 9,010.56
  4. Step 4: Simplify right side
    30,070.28x = 406,434,824.64
  5. Step 5: Solve for x
    x = 406,434,824.64/30,070.28
  6. Step 6: Final answer
    x = 13,516.16

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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.