Home / 30,658.33-42,323.80-20,064.14

Finding the Fourth Proportional to 30,658.33, 42,323.80 and 20,064.14

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Solution

The fourth proportional to 30,658.33, 42,323.80 and 20,064.14 is: 27,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,658.33 : 42,323.80 = 20,064.14 : x
  2. Step 2: Convert to fraction form
    30,658.33/42,323.80 = 20,064.14/x
  3. Step 3: Cross multiply
    30,658.33x = 42,323.80 × 20,064.14
  4. Step 4: Simplify right side
    30,658.33x = 849,190,598.37
  5. Step 5: Solve for x
    x = 849,190,598.37/30,658.33
  6. Step 6: Final answer
    x = 27,698.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.