Home / 40,888.83-61,340.16-12,803.36

Finding the Fourth Proportional to 40,888.83, 61,340.16 and 12,803.36

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Solution

The fourth proportional to 40,888.83, 61,340.16 and 12,803.36 is: 19,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,888.83 : 61,340.16 = 12,803.36 : x
  2. Step 2: Convert to fraction form
    40,888.83/61,340.16 = 12,803.36/x
  3. Step 3: Cross multiply
    40,888.83x = 61,340.16 × 12,803.36
  4. Step 4: Simplify right side
    40,888.83x = 785,359,844.24
  5. Step 5: Solve for x
    x = 785,359,844.24/40,888.83
  6. Step 6: Final answer
    x = 19,207.20

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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.