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Finding the Fourth Proportional to 30,352.60, 45,528.90 and 16,307.20

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Solution

The fourth proportional to 30,352.60, 45,528.90 and 16,307.20 is: 24,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352.60 : 45,528.90 = 16,307.20 : x
  2. Step 2: Convert to fraction form
    30,352.60/45,528.90 = 16,307.20/x
  3. Step 3: Cross multiply
    30,352.60x = 45,528.90 × 16,307.20
  4. Step 4: Simplify right side
    30,352.60x = 742,448,878.08
  5. Step 5: Solve for x
    x = 742,448,878.08/30,352.60
  6. Step 6: Final answer
    x = 24,460.80

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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.