Home / 31,319.56-46,981.55-12,599.71

Finding the Fourth Proportional to 31,319.56, 46,981.55 and 12,599.71

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Solution

The fourth proportional to 31,319.56, 46,981.55 and 12,599.71 is: 18,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.56 : 46,981.55 = 12,599.71 : x
  2. Step 2: Convert to fraction form
    31,319.56/46,981.55 = 12,599.71/x
  3. Step 3: Cross multiply
    31,319.56x = 46,981.55 × 12,599.71
  4. Step 4: Simplify right side
    31,319.56x = 591,953,905.35
  5. Step 5: Solve for x
    x = 591,953,905.35/31,319.56
  6. Step 6: Final answer
    x = 18,900.45

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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.