Home / 48,509.16-72,752.81-13,451.55

Finding the Fourth Proportional to 48,509.16, 72,752.81 and 13,451.55

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Solution

The fourth proportional to 48,509.16, 72,752.81 and 13,451.55 is: 20,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,509.16 : 72,752.81 = 13,451.55 : x
  2. Step 2: Convert to fraction form
    48,509.16/72,752.81 = 13,451.55/x
  3. Step 3: Cross multiply
    48,509.16x = 72,752.81 × 13,451.55
  4. Step 4: Simplify right side
    48,509.16x = 978,637,994.10
  5. Step 5: Solve for x
    x = 978,637,994.10/48,509.16
  6. Step 6: Final answer
    x = 20,174.29

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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.