Home / 47,040.51-70,562.90-13,763.43

Finding the Fourth Proportional to 47,040.51, 70,562.90 and 13,763.43

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Solution

The fourth proportional to 47,040.51, 70,562.90 and 13,763.43 is: 20,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,040.51 : 70,562.90 = 13,763.43 : x
  2. Step 2: Convert to fraction form
    47,040.51/70,562.90 = 13,763.43/x
  3. Step 3: Cross multiply
    47,040.51x = 70,562.90 × 13,763.43
  4. Step 4: Simplify right side
    47,040.51x = 971,187,465.93
  5. Step 5: Solve for x
    x = 971,187,465.93/47,040.51
  6. Step 6: Final answer
    x = 20,645.77

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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.