Home / 38,488.40-57,732.60-30,712.40

Finding the Fourth Proportional to 38,488.40, 57,732.60 and 30,712.40

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Solution

The fourth proportional to 38,488.40, 57,732.60 and 30,712.40 is: 46,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488.40 : 57,732.60 = 30,712.40 : x
  2. Step 2: Convert to fraction form
    38,488.40/57,732.60 = 30,712.40/x
  3. Step 3: Cross multiply
    38,488.40x = 57,732.60 × 30,712.40
  4. Step 4: Simplify right side
    38,488.40x = 1,773,106,704.24
  5. Step 5: Solve for x
    x = 1,773,106,704.24/38,488.40
  6. Step 6: Final answer
    x = 46,068.60

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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.