Home / 47,178.15-70,767.93-12,117.03

Finding the Fourth Proportional to 47,178.15, 70,767.93 and 12,117.03

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Solution

The fourth proportional to 47,178.15, 70,767.93 and 12,117.03 is: 18,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,178.15 : 70,767.93 = 12,117.03 : x
  2. Step 2: Convert to fraction form
    47,178.15/70,767.93 = 12,117.03/x
  3. Step 3: Cross multiply
    47,178.15x = 70,767.93 × 12,117.03
  4. Step 4: Simplify right side
    47,178.15x = 857,496,746.72
  5. Step 5: Solve for x
    x = 857,496,746.72/47,178.15
  6. Step 6: Final answer
    x = 18,175.72

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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.