Home / 34,140.30-51,137.55-28,308.30

Finding the Fourth Proportional to 34,140.30, 51,137.55 and 28,308.30

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Solution

The fourth proportional to 34,140.30, 51,137.55 and 28,308.30 is: 42,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,140.30 : 51,137.55 = 28,308.30 : x
  2. Step 2: Convert to fraction form
    34,140.30/51,137.55 = 28,308.30/x
  3. Step 3: Cross multiply
    34,140.30x = 51,137.55 × 28,308.30
  4. Step 4: Simplify right side
    34,140.30x = 1,447,617,106.67
  5. Step 5: Solve for x
    x = 1,447,617,106.67/34,140.30
  6. Step 6: Final answer
    x = 42,402.00

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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.