Home / 42,308.40-63,462.60-29,002.80

Finding the Fourth Proportional to 42,308.40, 63,462.60 and 29,002.80

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Solution

The fourth proportional to 42,308.40, 63,462.60 and 29,002.80 is: 43,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,308.40 : 63,462.60 = 29,002.80 : x
  2. Step 2: Convert to fraction form
    42,308.40/63,462.60 = 29,002.80/x
  3. Step 3: Cross multiply
    42,308.40x = 63,462.60 × 29,002.80
  4. Step 4: Simplify right side
    42,308.40x = 1,840,593,095.28
  5. Step 5: Solve for x
    x = 1,840,593,095.28/42,308.40
  6. Step 6: Final answer
    x = 43,504.20

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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.