Home / 39,571.32-59,356.95-13,275.99

Finding the Fourth Proportional to 39,571.32, 59,356.95 and 13,275.99

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Solution

The fourth proportional to 39,571.32, 59,356.95 and 13,275.99 is: 19,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,571.32 : 59,356.95 = 13,275.99 : x
  2. Step 2: Convert to fraction form
    39,571.32/59,356.95 = 13,275.99/x
  3. Step 3: Cross multiply
    39,571.32x = 59,356.95 × 13,275.99
  4. Step 4: Simplify right side
    39,571.32x = 788,022,274.63
  5. Step 5: Solve for x
    x = 788,022,274.63/39,571.32
  6. Step 6: Final answer
    x = 19,913.97

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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.