Home / 48,502.08-72,751.08-13,440.83

Finding the Fourth Proportional to 48,502.08, 72,751.08 and 13,440.83

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Solution

The fourth proportional to 48,502.08, 72,751.08 and 13,440.83 is: 20,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,502.08 : 72,751.08 = 13,440.83 : x
  2. Step 2: Convert to fraction form
    48,502.08/72,751.08 = 13,440.83/x
  3. Step 3: Cross multiply
    48,502.08x = 72,751.08 × 13,440.83
  4. Step 4: Simplify right side
    48,502.08x = 977,834,534.84
  5. Step 5: Solve for x
    x = 977,834,534.84/48,502.08
  6. Step 6: Final answer
    x = 20,160.67

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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.