Home / 38,722.56-53,430.63-22,810.14

Finding the Fourth Proportional to 38,722.56, 53,430.63 and 22,810.14

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Solution

The fourth proportional to 38,722.56, 53,430.63 and 22,810.14 is: 31,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,722.56 : 53,430.63 = 22,810.14 : x
  2. Step 2: Convert to fraction form
    38,722.56/53,430.63 = 22,810.14/x
  3. Step 3: Cross multiply
    38,722.56x = 53,430.63 × 22,810.14
  4. Step 4: Simplify right side
    38,722.56x = 1,218,760,150.59
  5. Step 5: Solve for x
    x = 1,218,760,150.59/38,722.56
  6. Step 6: Final answer
    x = 31,474.16

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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.