Home / 36,302.63-54,457.61-12,938.18

Finding the Fourth Proportional to 36,302.63, 54,457.61 and 12,938.18

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Solution

The fourth proportional to 36,302.63, 54,457.61 and 12,938.18 is: 19,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,302.63 : 54,457.61 = 12,938.18 : x
  2. Step 2: Convert to fraction form
    36,302.63/54,457.61 = 12,938.18/x
  3. Step 3: Cross multiply
    36,302.63x = 54,457.61 × 12,938.18
  4. Step 4: Simplify right side
    36,302.63x = 704,582,023.57
  5. Step 5: Solve for x
    x = 704,582,023.57/36,302.63
  6. Step 6: Final answer
    x = 19,408.57

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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.