Home / 38,569.07-53,224.61-21,802.07

Finding the Fourth Proportional to 38,569.07, 53,224.61 and 21,802.07

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Solution

The fourth proportional to 38,569.07, 53,224.61 and 21,802.07 is: 30,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569.07 : 53,224.61 = 21,802.07 : x
  2. Step 2: Convert to fraction form
    38,569.07/53,224.61 = 21,802.07/x
  3. Step 3: Cross multiply
    38,569.07x = 53,224.61 × 21,802.07
  4. Step 4: Simplify right side
    38,569.07x = 1,160,406,297.81
  5. Step 5: Solve for x
    x = 1,160,406,297.81/38,569.07
  6. Step 6: Final answer
    x = 30,086.45

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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.