Home / 39,148-54,006.30-23,223.40

Finding the Fourth Proportional to 39,148, 54,006.30 and 23,223.40

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Solution

The fourth proportional to 39,148, 54,006.30 and 23,223.40 is: 32,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148 : 54,006.30 = 23,223.40 : x
  2. Step 2: Convert to fraction form
    39,148/54,006.30 = 23,223.40/x
  3. Step 3: Cross multiply
    39,148x = 54,006.30 × 23,223.40
  4. Step 4: Simplify right side
    39,148x = 1,254,209,907.42
  5. Step 5: Solve for x
    x = 1,254,209,907.42/39,148
  6. Step 6: Final answer
    x = 32,037.65

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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.