Home / 38,038.04-57,006.12-21,389.84

Finding the Fourth Proportional to 38,038.04, 57,006.12 and 21,389.84

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Solution

The fourth proportional to 38,038.04, 57,006.12 and 21,389.84 is: 32,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.04 : 57,006.12 = 21,389.84 : x
  2. Step 2: Convert to fraction form
    38,038.04/57,006.12 = 21,389.84/x
  3. Step 3: Cross multiply
    38,038.04x = 57,006.12 × 21,389.84
  4. Step 4: Simplify right side
    38,038.04x = 1,219,351,785.82
  5. Step 5: Solve for x
    x = 1,219,351,785.82/38,038.04
  6. Step 6: Final answer
    x = 32,056.12

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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.