Home / 38,357.90-57,461.52-34,178.30

Finding the Fourth Proportional to 38,357.90, 57,461.52 and 34,178.30

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Solution

The fourth proportional to 38,357.90, 57,461.52 and 34,178.30 is: 51,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.90 : 57,461.52 = 34,178.30 : x
  2. Step 2: Convert to fraction form
    38,357.90/57,461.52 = 34,178.30/x
  3. Step 3: Cross multiply
    38,357.90x = 57,461.52 × 34,178.30
  4. Step 4: Simplify right side
    38,357.90x = 1,963,937,069.02
  5. Step 5: Solve for x
    x = 1,963,937,069.02/38,357.90
  6. Step 6: Final answer
    x = 51,200.33

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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.