Home / 38,801.65-53,547.68-21,806.23

Finding the Fourth Proportional to 38,801.65, 53,547.68 and 21,806.23

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Solution

The fourth proportional to 38,801.65, 53,547.68 and 21,806.23 is: 30,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,801.65 : 53,547.68 = 21,806.23 : x
  2. Step 2: Convert to fraction form
    38,801.65/53,547.68 = 21,806.23/x
  3. Step 3: Cross multiply
    38,801.65x = 53,547.68 × 21,806.23
  4. Step 4: Simplify right side
    38,801.65x = 1,167,672,758.31
  5. Step 5: Solve for x
    x = 1,167,672,758.31/38,801.65
  6. Step 6: Final answer
    x = 30,093.38

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Find fourth proportional to 38,802.65, 53,549.06 and 21,807.23
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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.