Home / 39,225.24-54,124.74-22,455

Finding the Fourth Proportional to 39,225.24, 54,124.74 and 22,455

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Solution

The fourth proportional to 39,225.24, 54,124.74 and 22,455 is: 30,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,225.24 : 54,124.74 = 22,455 : x
  2. Step 2: Convert to fraction form
    39,225.24/54,124.74 = 22,455/x
  3. Step 3: Cross multiply
    39,225.24x = 54,124.74 × 22,455
  4. Step 4: Simplify right side
    39,225.24x = 1,215,371,036.70
  5. Step 5: Solve for x
    x = 1,215,371,036.70/39,225.24
  6. Step 6: Final answer
    x = 30,984.41

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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.