Home / 38,430.60-53,018.93-23,317.71

Finding the Fourth Proportional to 38,430.60, 53,018.93 and 23,317.71

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Solution

The fourth proportional to 38,430.60, 53,018.93 and 23,317.71 is: 32,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.60 : 53,018.93 = 23,317.71 : x
  2. Step 2: Convert to fraction form
    38,430.60/53,018.93 = 23,317.71/x
  3. Step 3: Cross multiply
    38,430.60x = 53,018.93 × 23,317.71
  4. Step 4: Simplify right side
    38,430.60x = 1,236,279,917.66
  5. Step 5: Solve for x
    x = 1,236,279,917.66/38,430.60
  6. Step 6: Final answer
    x = 32,169.15

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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.