Home / 40,148.72-55,402.12-22,242.32

Finding the Fourth Proportional to 40,148.72, 55,402.12 and 22,242.32

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Solution

The fourth proportional to 40,148.72, 55,402.12 and 22,242.32 is: 30,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.72 : 55,402.12 = 22,242.32 : x
  2. Step 2: Convert to fraction form
    40,148.72/55,402.12 = 22,242.32/x
  3. Step 3: Cross multiply
    40,148.72x = 55,402.12 × 22,242.32
  4. Step 4: Simplify right side
    40,148.72x = 1,232,271,681.72
  5. Step 5: Solve for x
    x = 1,232,271,681.72/40,148.72
  6. Step 6: Final answer
    x = 30,692.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.