Home / 35,410.20-53,117.70-12,038.40

Finding the Fourth Proportional to 35,410.20, 53,117.70 and 12,038.40

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Solution

The fourth proportional to 35,410.20, 53,117.70 and 12,038.40 is: 18,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,410.20 : 53,117.70 = 12,038.40 : x
  2. Step 2: Convert to fraction form
    35,410.20/53,117.70 = 12,038.40/x
  3. Step 3: Cross multiply
    35,410.20x = 53,117.70 × 12,038.40
  4. Step 4: Simplify right side
    35,410.20x = 639,452,119.68
  5. Step 5: Solve for x
    x = 639,452,119.68/35,410.20
  6. Step 6: Final answer
    x = 18,058.42

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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.