Home / 35,755.16-49,341.96-20,646.65

Finding the Fourth Proportional to 35,755.16, 49,341.96 and 20,646.65

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Solution

The fourth proportional to 35,755.16, 49,341.96 and 20,646.65 is: 28,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.16 : 49,341.96 = 20,646.65 : x
  2. Step 2: Convert to fraction form
    35,755.16/49,341.96 = 20,646.65/x
  3. Step 3: Cross multiply
    35,755.16x = 49,341.96 × 20,646.65
  4. Step 4: Simplify right side
    35,755.16x = 1,018,746,178.43
  5. Step 5: Solve for x
    x = 1,018,746,178.43/35,755.16
  6. Step 6: Final answer
    x = 28,492.28

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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.