Home / 47,082.51-64,946.72-28,208.70

Finding the Fourth Proportional to 47,082.51, 64,946.72 and 28,208.70

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Solution

The fourth proportional to 47,082.51, 64,946.72 and 28,208.70 is: 38,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,082.51 : 64,946.72 = 28,208.70 : x
  2. Step 2: Convert to fraction form
    47,082.51/64,946.72 = 28,208.70/x
  3. Step 3: Cross multiply
    47,082.51x = 64,946.72 × 28,208.70
  4. Step 4: Simplify right side
    47,082.51x = 1,832,062,610.99
  5. Step 5: Solve for x
    x = 1,832,062,610.99/47,082.51
  6. Step 6: Final answer
    x = 38,911.74

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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.