Home / 39,251.16-54,166.41-21,346.02

Finding the Fourth Proportional to 39,251.16, 54,166.41 and 21,346.02

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Solution

The fourth proportional to 39,251.16, 54,166.41 and 21,346.02 is: 29,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.16 : 54,166.41 = 21,346.02 : x
  2. Step 2: Convert to fraction form
    39,251.16/54,166.41 = 21,346.02/x
  3. Step 3: Cross multiply
    39,251.16x = 54,166.41 × 21,346.02
  4. Step 4: Simplify right side
    39,251.16x = 1,156,237,271.19
  5. Step 5: Solve for x
    x = 1,156,237,271.19/39,251.16
  6. Step 6: Final answer
    x = 29,457.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.