Home / 42,927.13-64,394.80-13,337.02

Finding the Fourth Proportional to 42,927.13, 64,394.80 and 13,337.02

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Solution

The fourth proportional to 42,927.13, 64,394.80 and 13,337.02 is: 20,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,927.13 : 64,394.80 = 13,337.02 : x
  2. Step 2: Convert to fraction form
    42,927.13/64,394.80 = 13,337.02/x
  3. Step 3: Cross multiply
    42,927.13x = 64,394.80 × 13,337.02
  4. Step 4: Simplify right side
    42,927.13x = 858,834,782.65
  5. Step 5: Solve for x
    x = 858,834,782.65/42,927.13
  6. Step 6: Final answer
    x = 20,006.81

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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.