Home / 38,417.13-57,633.53-21,784.59

Finding the Fourth Proportional to 38,417.13, 57,633.53 and 21,784.59

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Solution

The fourth proportional to 38,417.13, 57,633.53 and 21,784.59 is: 32,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417.13 : 57,633.53 = 21,784.59 : x
  2. Step 2: Convert to fraction form
    38,417.13/57,633.53 = 21,784.59/x
  3. Step 3: Cross multiply
    38,417.13x = 57,633.53 × 21,784.59
  4. Step 4: Simplify right side
    38,417.13x = 1,255,522,712.38
  5. Step 5: Solve for x
    x = 1,255,522,712.38/38,417.13
  6. Step 6: Final answer
    x = 32,681.33

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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.