Home / 30,359.60-45,539.40-16,314.20

Finding the Fourth Proportional to 30,359.60, 45,539.40 and 16,314.20

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Solution

The fourth proportional to 30,359.60, 45,539.40 and 16,314.20 is: 24,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.60 : 45,539.40 = 16,314.20 : x
  2. Step 2: Convert to fraction form
    30,359.60/45,539.40 = 16,314.20/x
  3. Step 3: Cross multiply
    30,359.60x = 45,539.40 × 16,314.20
  4. Step 4: Simplify right side
    30,359.60x = 742,938,879.48
  5. Step 5: Solve for x
    x = 742,938,879.48/30,359.60
  6. Step 6: Final answer
    x = 24,471.30

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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.