Home / 38,734.56-58,110.09-12,457.74

Finding the Fourth Proportional to 38,734.56, 58,110.09 and 12,457.74

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Solution

The fourth proportional to 38,734.56, 58,110.09 and 12,457.74 is: 18,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.56 : 58,110.09 = 12,457.74 : x
  2. Step 2: Convert to fraction form
    38,734.56/58,110.09 = 12,457.74/x
  3. Step 3: Cross multiply
    38,734.56x = 58,110.09 × 12,457.74
  4. Step 4: Simplify right side
    38,734.56x = 723,920,392.60
  5. Step 5: Solve for x
    x = 723,920,392.60/38,734.56
  6. Step 6: Final answer
    x = 18,689.26

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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.