Home / 38,187.40-57,281.10-37,604.20

Finding the Fourth Proportional to 38,187.40, 57,281.10 and 37,604.20

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Solution

The fourth proportional to 38,187.40, 57,281.10 and 37,604.20 is: 56,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.40 : 57,281.10 = 37,604.20 : x
  2. Step 2: Convert to fraction form
    38,187.40/57,281.10 = 37,604.20/x
  3. Step 3: Cross multiply
    38,187.40x = 57,281.10 × 37,604.20
  4. Step 4: Simplify right side
    38,187.40x = 2,154,009,940.62
  5. Step 5: Solve for x
    x = 2,154,009,940.62/38,187.40
  6. Step 6: Final answer
    x = 56,406.30

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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.