Home / 47,118.18-70,701.20-31,334.20

Finding the Fourth Proportional to 47,118.18, 70,701.20 and 31,334.20

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Solution

The fourth proportional to 47,118.18, 70,701.20 and 31,334.20 is: 47,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,118.18 : 70,701.20 = 31,334.20 : x
  2. Step 2: Convert to fraction form
    47,118.18/70,701.20 = 31,334.20/x
  3. Step 3: Cross multiply
    47,118.18x = 70,701.20 × 31,334.20
  4. Step 4: Simplify right side
    47,118.18x = 2,215,365,541.04
  5. Step 5: Solve for x
    x = 2,215,365,541.04/47,118.18
  6. Step 6: Final answer
    x = 47,017.21

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1.5x scale

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.