Home / 38,200.21-57,312.05-18,235.18

Finding the Fourth Proportional to 38,200.21, 57,312.05 and 18,235.18

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Solution

The fourth proportional to 38,200.21, 57,312.05 and 18,235.18 is: 27,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.21 : 57,312.05 = 18,235.18 : x
  2. Step 2: Convert to fraction form
    38,200.21/57,312.05 = 18,235.18/x
  3. Step 3: Cross multiply
    38,200.21x = 57,312.05 × 18,235.18
  4. Step 4: Simplify right side
    38,200.21x = 1,045,095,547.92
  5. Step 5: Solve for x
    x = 1,045,095,547.92/38,200.21
  6. Step 6: Final answer
    x = 27,358.37

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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.