Home / 34,233.60-51,341.76-13,457.28

Finding the Fourth Proportional to 34,233.60, 51,341.76 and 13,457.28

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Solution

The fourth proportional to 34,233.60, 51,341.76 and 13,457.28 is: 20,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,233.60 : 51,341.76 = 13,457.28 : x
  2. Step 2: Convert to fraction form
    34,233.60/51,341.76 = 13,457.28/x
  3. Step 3: Cross multiply
    34,233.60x = 51,341.76 × 13,457.28
  4. Step 4: Simplify right side
    34,233.60x = 690,920,440.01
  5. Step 5: Solve for x
    x = 690,920,440.01/34,233.60
  6. Step 6: Final answer
    x = 20,182.52

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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.