Home / 39,403.04-59,071.30-18,332.21

Finding the Fourth Proportional to 39,403.04, 59,071.30 and 18,332.21

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Solution

The fourth proportional to 39,403.04, 59,071.30 and 18,332.21 is: 27,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.04 : 59,071.30 = 18,332.21 : x
  2. Step 2: Convert to fraction form
    39,403.04/59,071.30 = 18,332.21/x
  3. Step 3: Cross multiply
    39,403.04x = 59,071.30 × 18,332.21
  4. Step 4: Simplify right side
    39,403.04x = 1,082,907,135.39
  5. Step 5: Solve for x
    x = 1,082,907,135.39/39,403.04
  6. Step 6: Final answer
    x = 27,482.83

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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.