Home / 38,140.84-57,087.06-34,503.40

Finding the Fourth Proportional to 38,140.84, 57,087.06 and 34,503.40

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Solution

The fourth proportional to 38,140.84, 57,087.06 and 34,503.40 is: 51,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.84 : 57,087.06 = 34,503.40 : x
  2. Step 2: Convert to fraction form
    38,140.84/57,087.06 = 34,503.40/x
  3. Step 3: Cross multiply
    38,140.84x = 57,087.06 × 34,503.40
  4. Step 4: Simplify right side
    38,140.84x = 1,969,697,666.00
  5. Step 5: Solve for x
    x = 1,969,697,666.00/38,140.84
  6. Step 6: Final answer
    x = 51,642.74

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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.