Home / 47,015.16-70,504.98-18,925.66

Finding the Fourth Proportional to 47,015.16, 70,504.98 and 18,925.66

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Solution

The fourth proportional to 47,015.16, 70,504.98 and 18,925.66 is: 28,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,015.16 : 70,504.98 = 18,925.66 : x
  2. Step 2: Convert to fraction form
    47,015.16/70,504.98 = 18,925.66/x
  3. Step 3: Cross multiply
    47,015.16x = 70,504.98 × 18,925.66
  4. Step 4: Simplify right side
    47,015.16x = 1,334,353,279.79
  5. Step 5: Solve for x
    x = 1,334,353,279.79/47,015.16
  6. Step 6: Final answer
    x = 28,381.34

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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.