Home / 47,129.05-70,686.24-30,606.22

Finding the Fourth Proportional to 47,129.05, 70,686.24 and 30,606.22

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Solution

The fourth proportional to 47,129.05, 70,686.24 and 30,606.22 is: 45,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.05 : 70,686.24 = 30,606.22 : x
  2. Step 2: Convert to fraction form
    47,129.05/70,686.24 = 30,606.22/x
  3. Step 3: Cross multiply
    47,129.05x = 70,686.24 × 30,606.22
  4. Step 4: Simplify right side
    47,129.05x = 2,163,438,612.41
  5. Step 5: Solve for x
    x = 2,163,438,612.41/47,129.05
  6. Step 6: Final answer
    x = 45,904.57

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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.