Home / 35,798.22-49,397.98-20,689.70

Finding the Fourth Proportional to 35,798.22, 49,397.98 and 20,689.70

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Solution

The fourth proportional to 35,798.22, 49,397.98 and 20,689.70 is: 28,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,798.22 : 49,397.98 = 20,689.70 : x
  2. Step 2: Convert to fraction form
    35,798.22/49,397.98 = 20,689.70/x
  3. Step 3: Cross multiply
    35,798.22x = 49,397.98 × 20,689.70
  4. Step 4: Simplify right side
    35,798.22x = 1,022,029,386.81
  5. Step 5: Solve for x
    x = 1,022,029,386.81/35,798.22
  6. Step 6: Final answer
    x = 28,549.73

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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.