Home / 35,803.22-49,400.49-21,655.76

Finding the Fourth Proportional to 35,803.22, 49,400.49 and 21,655.76

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Solution

The fourth proportional to 35,803.22, 49,400.49 and 21,655.76 is: 29,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,803.22 : 49,400.49 = 21,655.76 : x
  2. Step 2: Convert to fraction form
    35,803.22/49,400.49 = 21,655.76/x
  3. Step 3: Cross multiply
    35,803.22x = 49,400.49 × 21,655.76
  4. Step 4: Simplify right side
    35,803.22x = 1,069,805,155.32
  5. Step 5: Solve for x
    x = 1,069,805,155.32/35,803.22
  6. Step 6: Final answer
    x = 29,880.14

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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.