Home / 48,401.28-72,590.40-13,343.76

Finding the Fourth Proportional to 48,401.28, 72,590.40 and 13,343.76

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Solution

The fourth proportional to 48,401.28, 72,590.40 and 13,343.76 is: 20,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,401.28 : 72,590.40 = 13,343.76 : x
  2. Step 2: Convert to fraction form
    48,401.28/72,590.40 = 13,343.76/x
  3. Step 3: Cross multiply
    48,401.28x = 72,590.40 × 13,343.76
  4. Step 4: Simplify right side
    48,401.28x = 968,628,875.90
  5. Step 5: Solve for x
    x = 968,628,875.90/48,401.28
  6. Step 6: Final answer
    x = 20,012.46

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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.