Home / 38,740.71-53,463.24-21,746.01

Finding the Fourth Proportional to 38,740.71, 53,463.24 and 21,746.01

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Solution

The fourth proportional to 38,740.71, 53,463.24 and 21,746.01 is: 30,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740.71 : 53,463.24 = 21,746.01 : x
  2. Step 2: Convert to fraction form
    38,740.71/53,463.24 = 21,746.01/x
  3. Step 3: Cross multiply
    38,740.71x = 53,463.24 × 21,746.01
  4. Step 4: Simplify right side
    38,740.71x = 1,162,612,151.67
  5. Step 5: Solve for x
    x = 1,162,612,151.67/38,740.71
  6. Step 6: Final answer
    x = 30,010.09

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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.