Home / 39,140.64-58,637.15-30,332.50

Finding the Fourth Proportional to 39,140.64, 58,637.15 and 30,332.50

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Solution

The fourth proportional to 39,140.64, 58,637.15 and 30,332.50 is: 45,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.64 : 58,637.15 = 30,332.50 : x
  2. Step 2: Convert to fraction form
    39,140.64/58,637.15 = 30,332.50/x
  3. Step 3: Cross multiply
    39,140.64x = 58,637.15 × 30,332.50
  4. Step 4: Simplify right side
    39,140.64x = 1,778,611,054.12
  5. Step 5: Solve for x
    x = 1,778,611,054.12/39,140.64
  6. Step 6: Final answer
    x = 45,441.54

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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.