Home / 39,585.60-59,356.80-13,276.80

Finding the Fourth Proportional to 39,585.60, 59,356.80 and 13,276.80

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Solution

The fourth proportional to 39,585.60, 59,356.80 and 13,276.80 is: 19,907.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,585.60 : 59,356.80 = 13,276.80 : x
  2. Step 2: Convert to fraction form
    39,585.60/59,356.80 = 13,276.80/x
  3. Step 3: Cross multiply
    39,585.60x = 59,356.80 × 13,276.80
  4. Step 4: Simplify right side
    39,585.60x = 788,068,362.24
  5. Step 5: Solve for x
    x = 788,068,362.24/39,585.60
  6. Step 6: Final answer
    x = 19,907.96

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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.