Home / 43,041.39-64,559.66-13,455.74

Finding the Fourth Proportional to 43,041.39, 64,559.66 and 13,455.74

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Solution

The fourth proportional to 43,041.39, 64,559.66 and 13,455.74 is: 20,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,041.39 : 64,559.66 = 13,455.74 : x
  2. Step 2: Convert to fraction form
    43,041.39/64,559.66 = 13,455.74/x
  3. Step 3: Cross multiply
    43,041.39x = 64,559.66 × 13,455.74
  4. Step 4: Simplify right side
    43,041.39x = 868,697,609.37
  5. Step 5: Solve for x
    x = 868,697,609.37/43,041.39
  6. Step 6: Final answer
    x = 20,182.84

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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.