Home / 60,905.69-91,374.30-18,784.85

Finding the Fourth Proportional to 60,905.69, 91,374.30 and 18,784.85

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Solution

The fourth proportional to 60,905.69, 91,374.30 and 18,784.85 is: 28,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,905.69 : 91,374.30 = 18,784.85 : x
  2. Step 2: Convert to fraction form
    60,905.69/91,374.30 = 18,784.85/x
  3. Step 3: Cross multiply
    60,905.69x = 91,374.30 × 18,784.85
  4. Step 4: Simplify right side
    60,905.69x = 1,716,452,062.48
  5. Step 5: Solve for x
    x = 1,716,452,062.48/60,905.69
  6. Step 6: Final answer
    x = 28,182.13

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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.