Home / 38,013.36-57,071.75-21,385.10

Finding the Fourth Proportional to 38,013.36, 57,071.75 and 21,385.10

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Solution

The fourth proportional to 38,013.36, 57,071.75 and 21,385.10 is: 32,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.36 : 57,071.75 = 21,385.10 : x
  2. Step 2: Convert to fraction form
    38,013.36/57,071.75 = 21,385.10/x
  3. Step 3: Cross multiply
    38,013.36x = 57,071.75 × 21,385.10
  4. Step 4: Simplify right side
    38,013.36x = 1,220,484,976.09
  5. Step 5: Solve for x
    x = 1,220,484,976.09/38,013.36
  6. Step 6: Final answer
    x = 32,106.74

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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.