Home / 38,035.24-52,487.12-21,038.40

Finding the Fourth Proportional to 38,035.24, 52,487.12 and 21,038.40

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Solution

The fourth proportional to 38,035.24, 52,487.12 and 21,038.40 is: 29,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,035.24 : 52,487.12 = 21,038.40 : x
  2. Step 2: Convert to fraction form
    38,035.24/52,487.12 = 21,038.40/x
  3. Step 3: Cross multiply
    38,035.24x = 52,487.12 × 21,038.40
  4. Step 4: Simplify right side
    38,035.24x = 1,104,245,025.41
  5. Step 5: Solve for x
    x = 1,104,245,025.41/38,035.24
  6. Step 6: Final answer
    x = 29,032.16

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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.