Home / 42,195.04-63,271.20-14,105.08

Finding the Fourth Proportional to 42,195.04, 63,271.20 and 14,105.08

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Solution

The fourth proportional to 42,195.04, 63,271.20 and 14,105.08 is: 21,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,195.04 : 63,271.20 = 14,105.08 : x
  2. Step 2: Convert to fraction form
    42,195.04/63,271.20 = 14,105.08/x
  3. Step 3: Cross multiply
    42,195.04x = 63,271.20 × 14,105.08
  4. Step 4: Simplify right side
    42,195.04x = 892,445,337.70
  5. Step 5: Solve for x
    x = 892,445,337.70/42,195.04
  6. Step 6: Final answer
    x = 21,150.48

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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.