Home / 38,356.04-52,930.25-21,360.28

Finding the Fourth Proportional to 38,356.04, 52,930.25 and 21,360.28

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Solution

The fourth proportional to 38,356.04, 52,930.25 and 21,360.28 is: 29,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,356.04 : 52,930.25 = 21,360.28 : x
  2. Step 2: Convert to fraction form
    38,356.04/52,930.25 = 21,360.28/x
  3. Step 3: Cross multiply
    38,356.04x = 52,930.25 × 21,360.28
  4. Step 4: Simplify right side
    38,356.04x = 1,130,604,960.47
  5. Step 5: Solve for x
    x = 1,130,604,960.47/38,356.04
  6. Step 6: Final answer
    x = 29,476.58

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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.