Home / 30,632.04-45,947.93-8,445.60

Finding the Fourth Proportional to 30,632.04, 45,947.93 and 8,445.60

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Solution

The fourth proportional to 30,632.04, 45,947.93 and 8,445.60 is: 12,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632.04 : 45,947.93 = 8,445.60 : x
  2. Step 2: Convert to fraction form
    30,632.04/45,947.93 = 8,445.60/x
  3. Step 3: Cross multiply
    30,632.04x = 45,947.93 × 8,445.60
  4. Step 4: Simplify right side
    30,632.04x = 388,057,795.38
  5. Step 5: Solve for x
    x = 388,057,795.38/30,632.04
  6. Step 6: Final answer
    x = 12,668.36

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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.