Home / 40,888.06-61,298.58-21,172.24

Finding the Fourth Proportional to 40,888.06, 61,298.58 and 21,172.24

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Solution

The fourth proportional to 40,888.06, 61,298.58 and 21,172.24 is: 31,741.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,888.06 : 61,298.58 = 21,172.24 : x
  2. Step 2: Convert to fraction form
    40,888.06/61,298.58 = 21,172.24/x
  3. Step 3: Cross multiply
    40,888.06x = 61,298.58 × 21,172.24
  4. Step 4: Simplify right side
    40,888.06x = 1,297,828,247.42
  5. Step 5: Solve for x
    x = 1,297,828,247.42/40,888.06
  6. Step 6: Final answer
    x = 31,741.01

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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.