Home / 42,845.94-64,268.91-15,124.50

Finding the Fourth Proportional to 42,845.94, 64,268.91 and 15,124.50

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Solution

The fourth proportional to 42,845.94, 64,268.91 and 15,124.50 is: 22,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,845.94 : 64,268.91 = 15,124.50 : x
  2. Step 2: Convert to fraction form
    42,845.94/64,268.91 = 15,124.50/x
  3. Step 3: Cross multiply
    42,845.94x = 64,268.91 × 15,124.50
  4. Step 4: Simplify right side
    42,845.94x = 972,035,129.30
  5. Step 5: Solve for x
    x = 972,035,129.30/42,845.94
  6. Step 6: Final answer
    x = 22,686.75

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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.