Home / 47,315.21-70,970.02-17,730.57

Finding the Fourth Proportional to 47,315.21, 70,970.02 and 17,730.57

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Solution

The fourth proportional to 47,315.21, 70,970.02 and 17,730.57 is: 26,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,315.21 : 70,970.02 = 17,730.57 : x
  2. Step 2: Convert to fraction form
    47,315.21/70,970.02 = 17,730.57/x
  3. Step 3: Cross multiply
    47,315.21x = 70,970.02 × 17,730.57
  4. Step 4: Simplify right side
    47,315.21x = 1,258,338,818.86
  5. Step 5: Solve for x
    x = 1,258,338,818.86/47,315.21
  6. Step 6: Final answer
    x = 26,594.81

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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.