Home / 39,403.42-59,071.86-18,332.58

Finding the Fourth Proportional to 39,403.42, 59,071.86 and 18,332.58

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Solution

The fourth proportional to 39,403.42, 59,071.86 and 18,332.58 is: 27,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.42 : 59,071.86 = 18,332.58 : x
  2. Step 2: Convert to fraction form
    39,403.42/59,071.86 = 18,332.58/x
  3. Step 3: Cross multiply
    39,403.42x = 59,071.86 × 18,332.58
  4. Step 4: Simplify right side
    39,403.42x = 1,082,939,599.20
  5. Step 5: Solve for x
    x = 1,082,939,599.20/39,403.42
  6. Step 6: Final answer
    x = 27,483.39

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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.