Home / 38,719.18-53,403.15-26,802.46

Finding the Fourth Proportional to 38,719.18, 53,403.15 and 26,802.46

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Solution

The fourth proportional to 38,719.18, 53,403.15 and 26,802.46 is: 36,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.18 : 53,403.15 = 26,802.46 : x
  2. Step 2: Convert to fraction form
    38,719.18/53,403.15 = 26,802.46/x
  3. Step 3: Cross multiply
    38,719.18x = 53,403.15 × 26,802.46
  4. Step 4: Simplify right side
    38,719.18x = 1,431,335,791.75
  5. Step 5: Solve for x
    x = 1,431,335,791.75/38,719.18
  6. Step 6: Final answer
    x = 36,967.10

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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.