Home / 38,715.31-53,430.65-23,608.81

Finding the Fourth Proportional to 38,715.31, 53,430.65 and 23,608.81

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Solution

The fourth proportional to 38,715.31, 53,430.65 and 23,608.81 is: 32,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,715.31 : 53,430.65 = 23,608.81 : x
  2. Step 2: Convert to fraction form
    38,715.31/53,430.65 = 23,608.81/x
  3. Step 3: Cross multiply
    38,715.31x = 53,430.65 × 23,608.81
  4. Step 4: Simplify right side
    38,715.31x = 1,261,434,064.03
  5. Step 5: Solve for x
    x = 1,261,434,064.03/38,715.31
  6. Step 6: Final answer
    x = 32,582.31

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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.