Home / 38,937.48-53,703.15-28,183.94

Finding the Fourth Proportional to 38,937.48, 53,703.15 and 28,183.94

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Solution

The fourth proportional to 38,937.48, 53,703.15 and 28,183.94 is: 38,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,937.48 : 53,703.15 = 28,183.94 : x
  2. Step 2: Convert to fraction form
    38,937.48/53,703.15 = 28,183.94/x
  3. Step 3: Cross multiply
    38,937.48x = 53,703.15 × 28,183.94
  4. Step 4: Simplify right side
    38,937.48x = 1,513,566,267.61
  5. Step 5: Solve for x
    x = 1,513,566,267.61/38,937.48
  6. Step 6: Final answer
    x = 38,871.70

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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.