Home / 49,047.64-73,572.16-13,987.30

Finding the Fourth Proportional to 49,047.64, 73,572.16 and 13,987.30

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Solution

The fourth proportional to 49,047.64, 73,572.16 and 13,987.30 is: 20,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,047.64 : 73,572.16 = 13,987.30 : x
  2. Step 2: Convert to fraction form
    49,047.64/73,572.16 = 13,987.30/x
  3. Step 3: Cross multiply
    49,047.64x = 73,572.16 × 13,987.30
  4. Step 4: Simplify right side
    49,047.64x = 1,029,075,873.57
  5. Step 5: Solve for x
    x = 1,029,075,873.57/49,047.64
  6. Step 6: Final answer
    x = 20,981.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.