Home / 35,711.14-49,279.48-20,602.92

Finding the Fourth Proportional to 35,711.14, 49,279.48 and 20,602.92

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Solution

The fourth proportional to 35,711.14, 49,279.48 and 20,602.92 is: 28,430.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.14 : 49,279.48 = 20,602.92 : x
  2. Step 2: Convert to fraction form
    35,711.14/49,279.48 = 20,602.92/x
  3. Step 3: Cross multiply
    35,711.14x = 49,279.48 × 20,602.92
  4. Step 4: Simplify right side
    35,711.14x = 1,015,301,184.08
  5. Step 5: Solve for x
    x = 1,015,301,184.08/35,711.14
  6. Step 6: Final answer
    x = 28,430.94

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Double scale
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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.