Home / 39,558.70-59,338.65-12,904.57

Finding the Fourth Proportional to 39,558.70, 59,338.65 and 12,904.57

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Solution

The fourth proportional to 39,558.70, 59,338.65 and 12,904.57 is: 19,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,558.70 : 59,338.65 = 12,904.57 : x
  2. Step 2: Convert to fraction form
    39,558.70/59,338.65 = 12,904.57/x
  3. Step 3: Cross multiply
    39,558.70x = 59,338.65 × 12,904.57
  4. Step 4: Simplify right side
    39,558.70x = 765,739,762.63
  5. Step 5: Solve for x
    x = 765,739,762.63/39,558.70
  6. Step 6: Final answer
    x = 19,357.05

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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.