Home / 42,909.12-59,212.74-23,788.80

Finding the Fourth Proportional to 42,909.12, 59,212.74 and 23,788.80

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Solution

The fourth proportional to 42,909.12, 59,212.74 and 23,788.80 is: 32,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,909.12 : 59,212.74 = 23,788.80 : x
  2. Step 2: Convert to fraction form
    42,909.12/59,212.74 = 23,788.80/x
  3. Step 3: Cross multiply
    42,909.12x = 59,212.74 × 23,788.80
  4. Step 4: Simplify right side
    42,909.12x = 1,408,600,029.31
  5. Step 5: Solve for x
    x = 1,408,600,029.31/42,909.12
  6. Step 6: Final answer
    x = 32,827.52

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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.