Home / 47,199.60-70,741.08-28,420.56

Finding the Fourth Proportional to 47,199.60, 70,741.08 and 28,420.56

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Solution

The fourth proportional to 47,199.60, 70,741.08 and 28,420.56 is: 42,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,199.60 : 70,741.08 = 28,420.56 : x
  2. Step 2: Convert to fraction form
    47,199.60/70,741.08 = 28,420.56/x
  3. Step 3: Cross multiply
    47,199.60x = 70,741.08 × 28,420.56
  4. Step 4: Simplify right side
    47,199.60x = 2,010,501,108.60
  5. Step 5: Solve for x
    x = 2,010,501,108.60/47,199.60
  6. Step 6: Final answer
    x = 42,595.72

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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.