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Finding the Fourth Proportional to 58,453.18, 87,741.77 and 47,492.22

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Solution

The fourth proportional to 58,453.18, 87,741.77 and 47,492.22 is: 71,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,453.18 : 87,741.77 = 47,492.22 : x
  2. Step 2: Convert to fraction form
    58,453.18/87,741.77 = 47,492.22/x
  3. Step 3: Cross multiply
    58,453.18x = 87,741.77 × 47,492.22
  4. Step 4: Simplify right side
    58,453.18x = 4,167,051,535.60
  5. Step 5: Solve for x
    x = 4,167,051,535.60/58,453.18
  6. Step 6: Final answer
    x = 71,288.71

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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.