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Finding the Fourth Proportional to 60,519.60, 90,779.40 and 30,927.60

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Solution

The fourth proportional to 60,519.60, 90,779.40 and 30,927.60 is: 46,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,519.60 : 90,779.40 = 30,927.60 : x
  2. Step 2: Convert to fraction form
    60,519.60/90,779.40 = 30,927.60/x
  3. Step 3: Cross multiply
    60,519.60x = 90,779.40 × 30,927.60
  4. Step 4: Simplify right side
    60,519.60x = 2,807,588,971.44
  5. Step 5: Solve for x
    x = 2,807,588,971.44/60,519.60
  6. Step 6: Final answer
    x = 46,391.40

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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.