Home / 51,607.13-71,214.39-28,945.89

Finding the Fourth Proportional to 51,607.13, 71,214.39 and 28,945.89

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Solution

The fourth proportional to 51,607.13, 71,214.39 and 28,945.89 is: 39,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607.13 : 71,214.39 = 28,945.89 : x
  2. Step 2: Convert to fraction form
    51,607.13/71,214.39 = 28,945.89/x
  3. Step 3: Cross multiply
    51,607.13x = 71,214.39 × 28,945.89
  4. Step 4: Simplify right side
    51,607.13x = 2,061,363,899.36
  5. Step 5: Solve for x
    x = 2,061,363,899.36/51,607.13
  6. Step 6: Final answer
    x = 39,943.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.