Home / 53,114.31-79,720.74-26,837.51

Finding the Fourth Proportional to 53,114.31, 79,720.74 and 26,837.51

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Solution

The fourth proportional to 53,114.31, 79,720.74 and 26,837.51 is: 40,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,114.31 : 79,720.74 = 26,837.51 : x
  2. Step 2: Convert to fraction form
    53,114.31/79,720.74 = 26,837.51/x
  3. Step 3: Cross multiply
    53,114.31x = 79,720.74 × 26,837.51
  4. Step 4: Simplify right side
    53,114.31x = 2,139,505,758.35
  5. Step 5: Solve for x
    x = 2,139,505,758.35/53,114.31
  6. Step 6: Final answer
    x = 40,281.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.