Home / 45,070.98-67,603.23-20,113.26

Finding the Fourth Proportional to 45,070.98, 67,603.23 and 20,113.26

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Solution

The fourth proportional to 45,070.98, 67,603.23 and 20,113.26 is: 30,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,070.98 : 67,603.23 = 20,113.26 : x
  2. Step 2: Convert to fraction form
    45,070.98/67,603.23 = 20,113.26/x
  3. Step 3: Cross multiply
    45,070.98x = 67,603.23 × 20,113.26
  4. Step 4: Simplify right side
    45,070.98x = 1,359,721,341.83
  5. Step 5: Solve for x
    x = 1,359,721,341.83/45,070.98
  6. Step 6: Final answer
    x = 30,168.44

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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.