Home / 47,111.55-70,671.95-15,521.87

Finding the Fourth Proportional to 47,111.55, 70,671.95 and 15,521.87

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Solution

The fourth proportional to 47,111.55, 70,671.95 and 15,521.87 is: 23,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,111.55 : 70,671.95 = 15,521.87 : x
  2. Step 2: Convert to fraction form
    47,111.55/70,671.95 = 15,521.87/x
  3. Step 3: Cross multiply
    47,111.55x = 70,671.95 × 15,521.87
  4. Step 4: Simplify right side
    47,111.55x = 1,096,960,389.58
  5. Step 5: Solve for x
    x = 1,096,960,389.58/47,111.55
  6. Step 6: Final answer
    x = 23,284.32

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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.