Home / 30,632.16-45,950.81-8,445.53

Finding the Fourth Proportional to 30,632.16, 45,950.81 and 8,445.53

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Solution

The fourth proportional to 30,632.16, 45,950.81 and 8,445.53 is: 12,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632.16 : 45,950.81 = 8,445.53 : x
  2. Step 2: Convert to fraction form
    30,632.16/45,950.81 = 8,445.53/x
  3. Step 3: Cross multiply
    30,632.16x = 45,950.81 × 8,445.53
  4. Step 4: Simplify right side
    30,632.16x = 388,078,735.74
  5. Step 5: Solve for x
    x = 388,078,735.74/30,632.16
  6. Step 6: Final answer
    x = 12,669.00

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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.