Home / 32,240.10-48,360.15-20,430.30

Finding the Fourth Proportional to 32,240.10, 48,360.15 and 20,430.30

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Solution

The fourth proportional to 32,240.10, 48,360.15 and 20,430.30 is: 30,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,240.10 : 48,360.15 = 20,430.30 : x
  2. Step 2: Convert to fraction form
    32,240.10/48,360.15 = 20,430.30/x
  3. Step 3: Cross multiply
    32,240.10x = 48,360.15 × 20,430.30
  4. Step 4: Simplify right side
    32,240.10x = 988,012,372.55
  5. Step 5: Solve for x
    x = 988,012,372.55/32,240.10
  6. Step 6: Final answer
    x = 30,645.45

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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.