Home / 53,401.30-80,077.65-28,434.94

Finding the Fourth Proportional to 53,401.30, 80,077.65 and 28,434.94

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Solution

The fourth proportional to 53,401.30, 80,077.65 and 28,434.94 is: 42,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,401.30 : 80,077.65 = 28,434.94 : x
  2. Step 2: Convert to fraction form
    53,401.30/80,077.65 = 28,434.94/x
  3. Step 3: Cross multiply
    53,401.30x = 80,077.65 × 28,434.94
  4. Step 4: Simplify right side
    53,401.30x = 2,277,003,173.09
  5. Step 5: Solve for x
    x = 2,277,003,173.09/53,401.30
  6. Step 6: Final answer
    x = 42,639.47

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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.