Home / 56,029.20-83,928.60-38,518.80

Finding the Fourth Proportional to 56,029.20, 83,928.60 and 38,518.80

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Solution

The fourth proportional to 56,029.20, 83,928.60 and 38,518.80 is: 57,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,029.20 : 83,928.60 = 38,518.80 : x
  2. Step 2: Convert to fraction form
    56,029.20/83,928.60 = 38,518.80/x
  3. Step 3: Cross multiply
    56,029.20x = 83,928.60 × 38,518.80
  4. Step 4: Simplify right side
    56,029.20x = 3,232,828,957.68
  5. Step 5: Solve for x
    x = 3,232,828,957.68/56,029.20
  6. Step 6: Final answer
    x = 57,699.00

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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.