Home / 50,801.11-70,108.05-30,657.67

Finding the Fourth Proportional to 50,801.11, 70,108.05 and 30,657.67

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Solution

The fourth proportional to 50,801.11, 70,108.05 and 30,657.67 is: 42,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,801.11 : 70,108.05 = 30,657.67 : x
  2. Step 2: Convert to fraction form
    50,801.11/70,108.05 = 30,657.67/x
  3. Step 3: Cross multiply
    50,801.11x = 70,108.05 × 30,657.67
  4. Step 4: Simplify right side
    50,801.11x = 2,149,349,461.24
  5. Step 5: Solve for x
    x = 2,149,349,461.24/50,801.11
  6. Step 6: Final answer
    x = 42,309.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.