Home / 45,070.40-67,605.60-20,110.40

Finding the Fourth Proportional to 45,070.40, 67,605.60 and 20,110.40

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Solution

The fourth proportional to 45,070.40, 67,605.60 and 20,110.40 is: 30,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,070.40 : 67,605.60 = 20,110.40 : x
  2. Step 2: Convert to fraction form
    45,070.40/67,605.60 = 20,110.40/x
  3. Step 3: Cross multiply
    45,070.40x = 67,605.60 × 20,110.40
  4. Step 4: Simplify right side
    45,070.40x = 1,359,575,658.24
  5. Step 5: Solve for x
    x = 1,359,575,658.24/45,070.40
  6. Step 6: Final answer
    x = 30,165.60

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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.