Home / 47,157.59-70,721.37-15,561.77

Finding the Fourth Proportional to 47,157.59, 70,721.37 and 15,561.77

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Solution

The fourth proportional to 47,157.59, 70,721.37 and 15,561.77 is: 23,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157.59 : 70,721.37 = 15,561.77 : x
  2. Step 2: Convert to fraction form
    47,157.59/70,721.37 = 15,561.77/x
  3. Step 3: Cross multiply
    47,157.59x = 70,721.37 × 15,561.77
  4. Step 4: Simplify right side
    47,157.59x = 1,100,549,340.42
  5. Step 5: Solve for x
    x = 1,100,549,340.42/47,157.59
  6. Step 6: Final answer
    x = 23,337.69

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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.