Home / 47,319.89-70,931.97-30,690.50

Finding the Fourth Proportional to 47,319.89, 70,931.97 and 30,690.50

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Solution

The fourth proportional to 47,319.89, 70,931.97 and 30,690.50 is: 46,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,319.89 : 70,931.97 = 30,690.50 : x
  2. Step 2: Convert to fraction form
    47,319.89/70,931.97 = 30,690.50/x
  3. Step 3: Cross multiply
    47,319.89x = 70,931.97 × 30,690.50
  4. Step 4: Simplify right side
    47,319.89x = 2,176,937,270.63
  5. Step 5: Solve for x
    x = 2,176,937,270.63/47,319.89
  6. Step 6: Final answer
    x = 46,004.70

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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.