Home / 39,468.12-54,465.32-21,562.67

Finding the Fourth Proportional to 39,468.12, 54,465.32 and 21,562.67

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Solution

The fourth proportional to 39,468.12, 54,465.32 and 21,562.67 is: 29,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.12 : 54,465.32 = 21,562.67 : x
  2. Step 2: Convert to fraction form
    39,468.12/54,465.32 = 21,562.67/x
  3. Step 3: Cross multiply
    39,468.12x = 54,465.32 × 21,562.67
  4. Step 4: Simplify right side
    39,468.12x = 1,174,417,721.60
  5. Step 5: Solve for x
    x = 1,174,417,721.60/39,468.12
  6. Step 6: Final answer
    x = 29,756.11

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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.