Home / 42,720.48-58,962.96-26,793.36

Finding the Fourth Proportional to 42,720.48, 58,962.96 and 26,793.36

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Solution

The fourth proportional to 42,720.48, 58,962.96 and 26,793.36 is: 36,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,720.48 : 58,962.96 = 26,793.36 : x
  2. Step 2: Convert to fraction form
    42,720.48/58,962.96 = 26,793.36/x
  3. Step 3: Cross multiply
    42,720.48x = 58,962.96 × 26,793.36
  4. Step 4: Simplify right side
    42,720.48x = 1,579,815,813.95
  5. Step 5: Solve for x
    x = 1,579,815,813.95/42,720.48
  6. Step 6: Final answer
    x = 36,980.29

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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.