Home / 60,910.07-91,374.95-18,780.30

Finding the Fourth Proportional to 60,910.07, 91,374.95 and 18,780.30

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Solution

The fourth proportional to 60,910.07, 91,374.95 and 18,780.30 is: 28,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,910.07 : 91,374.95 = 18,780.30 : x
  2. Step 2: Convert to fraction form
    60,910.07/91,374.95 = 18,780.30/x
  3. Step 3: Cross multiply
    60,910.07x = 91,374.95 × 18,780.30
  4. Step 4: Simplify right side
    60,910.07x = 1,716,048,973.49
  5. Step 5: Solve for x
    x = 1,716,048,973.49/60,910.07
  6. Step 6: Final answer
    x = 28,173.49

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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.