Home / 39,140.89-58,637.52-30,332.75

Finding the Fourth Proportional to 39,140.89, 58,637.52 and 30,332.75

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Solution

The fourth proportional to 39,140.89, 58,637.52 and 30,332.75 is: 45,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.89 : 58,637.52 = 30,332.75 : x
  2. Step 2: Convert to fraction form
    39,140.89/58,637.52 = 30,332.75/x
  3. Step 3: Cross multiply
    39,140.89x = 58,637.52 × 30,332.75
  4. Step 4: Simplify right side
    39,140.89x = 1,778,637,234.78
  5. Step 5: Solve for x
    x = 1,778,637,234.78/39,140.89
  6. Step 6: Final answer
    x = 45,441.92

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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.