Home / 40,708.24-61,085.04-21,987.88

Finding the Fourth Proportional to 40,708.24, 61,085.04 and 21,987.88

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Solution

The fourth proportional to 40,708.24, 61,085.04 and 21,987.88 is: 32,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.24 : 61,085.04 = 21,987.88 : x
  2. Step 2: Convert to fraction form
    40,708.24/61,085.04 = 21,987.88/x
  3. Step 3: Cross multiply
    40,708.24x = 61,085.04 × 21,987.88
  4. Step 4: Simplify right side
    40,708.24x = 1,343,130,529.32
  5. Step 5: Solve for x
    x = 1,343,130,529.32/40,708.24
  6. Step 6: Final answer
    x = 32,994.07

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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.