Home / 57,126.84-78,834.08-31,632.67

Finding the Fourth Proportional to 57,126.84, 78,834.08 and 31,632.67

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Solution

The fourth proportional to 57,126.84, 78,834.08 and 31,632.67 is: 43,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.84 : 78,834.08 = 31,632.67 : x
  2. Step 2: Convert to fraction form
    57,126.84/78,834.08 = 31,632.67/x
  3. Step 3: Cross multiply
    57,126.84x = 78,834.08 × 31,632.67
  4. Step 4: Simplify right side
    57,126.84x = 2,493,732,215.36
  5. Step 5: Solve for x
    x = 2,493,732,215.36/57,126.84
  6. Step 6: Final answer
    x = 43,652.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.