Home / 38,502.75-53,133.81-21,735.75

Finding the Fourth Proportional to 38,502.75, 53,133.81 and 21,735.75

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Solution

The fourth proportional to 38,502.75, 53,133.81 and 21,735.75 is: 29,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502.75 : 53,133.81 = 21,735.75 : x
  2. Step 2: Convert to fraction form
    38,502.75/53,133.81 = 21,735.75/x
  3. Step 3: Cross multiply
    38,502.75x = 53,133.81 × 21,735.75
  4. Step 4: Simplify right side
    38,502.75x = 1,154,903,210.71
  5. Step 5: Solve for x
    x = 1,154,903,210.71/38,502.75
  6. Step 6: Final answer
    x = 29,995.34

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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.