Home / 36,055.02-49,752.86-20,139.11

Finding the Fourth Proportional to 36,055.02, 49,752.86 and 20,139.11

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Solution

The fourth proportional to 36,055.02, 49,752.86 and 20,139.11 is: 27,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,055.02 : 49,752.86 = 20,139.11 : x
  2. Step 2: Convert to fraction form
    36,055.02/49,752.86 = 20,139.11/x
  3. Step 3: Cross multiply
    36,055.02x = 49,752.86 × 20,139.11
  4. Step 4: Simplify right side
    36,055.02x = 1,001,977,970.89
  5. Step 5: Solve for x
    x = 1,001,977,970.89/36,055.02
  6. Step 6: Final answer
    x = 27,790.25

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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.