Home / 35,004.83-48,312.08-20,666.20

Finding the Fourth Proportional to 35,004.83, 48,312.08 and 20,666.20

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Solution

The fourth proportional to 35,004.83, 48,312.08 and 20,666.20 is: 28,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,004.83 : 48,312.08 = 20,666.20 : x
  2. Step 2: Convert to fraction form
    35,004.83/48,312.08 = 20,666.20/x
  3. Step 3: Cross multiply
    35,004.83x = 48,312.08 × 20,666.20
  4. Step 4: Simplify right side
    35,004.83x = 998,427,206.79
  5. Step 5: Solve for x
    x = 998,427,206.79/35,004.83
  6. Step 6: Final answer
    x = 28,522.55

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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.