Home / 31,463.01-47,210.93-12,756.87

Finding the Fourth Proportional to 31,463.01, 47,210.93 and 12,756.87

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Solution

The fourth proportional to 31,463.01, 47,210.93 and 12,756.87 is: 19,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463.01 : 47,210.93 = 12,756.87 : x
  2. Step 2: Convert to fraction form
    31,463.01/47,210.93 = 12,756.87/x
  3. Step 3: Cross multiply
    31,463.01x = 47,210.93 × 12,756.87
  4. Step 4: Simplify right side
    31,463.01x = 602,263,632.80
  5. Step 5: Solve for x
    x = 602,263,632.80/31,463.01
  6. Step 6: Final answer
    x = 19,141.96

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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.