Home / 38,155.30-52,653.33-21,159.28

Finding the Fourth Proportional to 38,155.30, 52,653.33 and 21,159.28

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Solution

The fourth proportional to 38,155.30, 52,653.33 and 21,159.28 is: 29,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,155.30 : 52,653.33 = 21,159.28 : x
  2. Step 2: Convert to fraction form
    38,155.30/52,653.33 = 21,159.28/x
  3. Step 3: Cross multiply
    38,155.30x = 52,653.33 × 21,159.28
  4. Step 4: Simplify right side
    38,155.30x = 1,114,106,552.40
  5. Step 5: Solve for x
    x = 1,114,106,552.40/38,155.30
  6. Step 6: Final answer
    x = 29,199.26

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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.