Home / 52,226.34-78,343.36-18,946.58

Finding the Fourth Proportional to 52,226.34, 78,343.36 and 18,946.58

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Solution

The fourth proportional to 52,226.34, 78,343.36 and 18,946.58 is: 28,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,226.34 : 78,343.36 = 18,946.58 : x
  2. Step 2: Convert to fraction form
    52,226.34/78,343.36 = 18,946.58/x
  3. Step 3: Cross multiply
    52,226.34x = 78,343.36 × 18,946.58
  4. Step 4: Simplify right side
    52,226.34x = 1,484,338,737.71
  5. Step 5: Solve for x
    x = 1,484,338,737.71/52,226.34
  6. Step 6: Final answer
    x = 28,421.27

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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.