Home / 35,750.56-49,342.95-20,645.68

Finding the Fourth Proportional to 35,750.56, 49,342.95 and 20,645.68

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Solution

The fourth proportional to 35,750.56, 49,342.95 and 20,645.68 is: 28,495.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,750.56 : 49,342.95 = 20,645.68 : x
  2. Step 2: Convert to fraction form
    35,750.56/49,342.95 = 20,645.68/x
  3. Step 3: Cross multiply
    35,750.56x = 49,342.95 × 20,645.68
  4. Step 4: Simplify right side
    35,750.56x = 1,018,718,632.60
  5. Step 5: Solve for x
    x = 1,018,718,632.60/35,750.56
  6. Step 6: Final answer
    x = 28,495.18

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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.