Home / 39,455.50-54,448.59-22,688.50

Finding the Fourth Proportional to 39,455.50, 54,448.59 and 22,688.50

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Solution

The fourth proportional to 39,455.50, 54,448.59 and 22,688.50 is: 31,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,455.50 : 54,448.59 = 22,688.50 : x
  2. Step 2: Convert to fraction form
    39,455.50/54,448.59 = 22,688.50/x
  3. Step 3: Cross multiply
    39,455.50x = 54,448.59 × 22,688.50
  4. Step 4: Simplify right side
    39,455.50x = 1,235,356,834.22
  5. Step 5: Solve for x
    x = 1,235,356,834.22/39,455.50
  6. Step 6: Final answer
    x = 31,310.13

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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.