Home / 35,117.83-48,453.60-20,776.98

Finding the Fourth Proportional to 35,117.83, 48,453.60 and 20,776.98

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Solution

The fourth proportional to 35,117.83, 48,453.60 and 20,776.98 is: 28,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,117.83 : 48,453.60 = 20,776.98 : x
  2. Step 2: Convert to fraction form
    35,117.83/48,453.60 = 20,776.98/x
  3. Step 3: Cross multiply
    35,117.83x = 48,453.60 × 20,776.98
  4. Step 4: Simplify right side
    35,117.83x = 1,006,719,478.13
  5. Step 5: Solve for x
    x = 1,006,719,478.13/35,117.83
  6. Step 6: Final answer
    x = 28,666.90

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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.