Home / 38,567.16-53,222.28-21,571.20

Finding the Fourth Proportional to 38,567.16, 53,222.28 and 21,571.20

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Solution

The fourth proportional to 38,567.16, 53,222.28 and 21,571.20 is: 29,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,567.16 : 53,222.28 = 21,571.20 : x
  2. Step 2: Convert to fraction form
    38,567.16/53,222.28 = 21,571.20/x
  3. Step 3: Cross multiply
    38,567.16x = 53,222.28 × 21,571.20
  4. Step 4: Simplify right side
    38,567.16x = 1,148,068,446.34
  5. Step 5: Solve for x
    x = 1,148,068,446.34/38,567.16
  6. Step 6: Final answer
    x = 29,768.03

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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.