Home / 53,017.66-73,164.15-28,818.85

Finding the Fourth Proportional to 53,017.66, 73,164.15 and 28,818.85

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Solution

The fourth proportional to 53,017.66, 73,164.15 and 28,818.85 is: 39,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,017.66 : 73,164.15 = 28,818.85 : x
  2. Step 2: Convert to fraction form
    53,017.66/73,164.15 = 28,818.85/x
  3. Step 3: Cross multiply
    53,017.66x = 73,164.15 × 28,818.85
  4. Step 4: Simplify right side
    53,017.66x = 2,108,506,680.86
  5. Step 5: Solve for x
    x = 2,108,506,680.86/53,017.66
  6. Step 6: Final answer
    x = 39,769.89

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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.