Home / 38,607.07-53,275.29-21,608.46

Finding the Fourth Proportional to 38,607.07, 53,275.29 and 21,608.46

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Solution

The fourth proportional to 38,607.07, 53,275.29 and 21,608.46 is: 29,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607.07 : 53,275.29 = 21,608.46 : x
  2. Step 2: Convert to fraction form
    38,607.07/53,275.29 = 21,608.46/x
  3. Step 3: Cross multiply
    38,607.07x = 53,275.29 × 21,608.46
  4. Step 4: Simplify right side
    38,607.07x = 1,151,196,972.95
  5. Step 5: Solve for x
    x = 1,151,196,972.95/38,607.07
  6. Step 6: Final answer
    x = 29,818.29

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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.