Home / 30,457.87-45,681.57-8,273.04

Finding the Fourth Proportional to 30,457.87, 45,681.57 and 8,273.04

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Solution

The fourth proportional to 30,457.87, 45,681.57 and 8,273.04 is: 12,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,457.87 : 45,681.57 = 8,273.04 : x
  2. Step 2: Convert to fraction form
    30,457.87/45,681.57 = 8,273.04/x
  3. Step 3: Cross multiply
    30,457.87x = 45,681.57 × 8,273.04
  4. Step 4: Simplify right side
    30,457.87x = 377,925,284.57
  5. Step 5: Solve for x
    x = 377,925,284.57/30,457.87
  6. Step 6: Final answer
    x = 12,408.13

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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.