Home / 38,695.78-58,043.67-30,953.80

Finding the Fourth Proportional to 38,695.78, 58,043.67 and 30,953.80

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Solution

The fourth proportional to 38,695.78, 58,043.67 and 30,953.80 is: 46,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,695.78 : 58,043.67 = 30,953.80 : x
  2. Step 2: Convert to fraction form
    38,695.78/58,043.67 = 30,953.80/x
  3. Step 3: Cross multiply
    38,695.78x = 58,043.67 × 30,953.80
  4. Step 4: Simplify right side
    38,695.78x = 1,796,672,152.45
  5. Step 5: Solve for x
    x = 1,796,672,152.45/38,695.78
  6. Step 6: Final answer
    x = 46,430.70

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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.