Home / 35,146.83-48,503.76-20,039.20

Finding the Fourth Proportional to 35,146.83, 48,503.76 and 20,039.20

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Solution

The fourth proportional to 35,146.83, 48,503.76 and 20,039.20 is: 27,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,146.83 : 48,503.76 = 20,039.20 : x
  2. Step 2: Convert to fraction form
    35,146.83/48,503.76 = 20,039.20/x
  3. Step 3: Cross multiply
    35,146.83x = 48,503.76 × 20,039.20
  4. Step 4: Simplify right side
    35,146.83x = 971,976,547.39
  5. Step 5: Solve for x
    x = 971,976,547.39/35,146.83
  6. Step 6: Final answer
    x = 27,654.74

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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.