Home / 39,730.84-54,820.80-22,740.28

Finding the Fourth Proportional to 39,730.84, 54,820.80 and 22,740.28

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Solution

The fourth proportional to 39,730.84, 54,820.80 and 22,740.28 is: 31,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,730.84 : 54,820.80 = 22,740.28 : x
  2. Step 2: Convert to fraction form
    39,730.84/54,820.80 = 22,740.28/x
  3. Step 3: Cross multiply
    39,730.84x = 54,820.80 × 22,740.28
  4. Step 4: Simplify right side
    39,730.84x = 1,246,640,341.82
  5. Step 5: Solve for x
    x = 1,246,640,341.82/39,730.84
  6. Step 6: Final answer
    x = 31,377.15

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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.