Home / 39,742.92-59,622.18-13,455.24

Finding the Fourth Proportional to 39,742.92, 59,622.18 and 13,455.24

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Solution

The fourth proportional to 39,742.92, 59,622.18 and 13,455.24 is: 20,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,742.92 : 59,622.18 = 13,455.24 : x
  2. Step 2: Convert to fraction form
    39,742.92/59,622.18 = 13,455.24/x
  3. Step 3: Cross multiply
    39,742.92x = 59,622.18 × 13,455.24
  4. Step 4: Simplify right side
    39,742.92x = 802,230,741.22
  5. Step 5: Solve for x
    x = 802,230,741.22/39,742.92
  6. Step 6: Final answer
    x = 20,185.50

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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.