Home / 42,988.40-59,346.12-33,406.80

Finding the Fourth Proportional to 42,988.40, 59,346.12 and 33,406.80

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Solution

The fourth proportional to 42,988.40, 59,346.12 and 33,406.80 is: 46,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,988.40 : 59,346.12 = 33,406.80 : x
  2. Step 2: Convert to fraction form
    42,988.40/59,346.12 = 33,406.80/x
  3. Step 3: Cross multiply
    42,988.40x = 59,346.12 × 33,406.80
  4. Step 4: Simplify right side
    42,988.40x = 1,982,563,961.62
  5. Step 5: Solve for x
    x = 1,982,563,961.62/42,988.40
  6. Step 6: Final answer
    x = 46,118.58

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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.