Home / 35,752.76-49,341.05-20,648.18

Finding the Fourth Proportional to 35,752.76, 49,341.05 and 20,648.18

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Solution

The fourth proportional to 35,752.76, 49,341.05 and 20,648.18 is: 28,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,752.76 : 49,341.05 = 20,648.18 : x
  2. Step 2: Convert to fraction form
    35,752.76/49,341.05 = 20,648.18/x
  3. Step 3: Cross multiply
    35,752.76x = 49,341.05 × 20,648.18
  4. Step 4: Simplify right side
    35,752.76x = 1,018,802,531.84
  5. Step 5: Solve for x
    x = 1,018,802,531.84/35,752.76
  6. Step 6: Final answer
    x = 28,495.78

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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.