Home / 31,495.13-47,242.70-10,718.63

Finding the Fourth Proportional to 31,495.13, 47,242.70 and 10,718.63

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Solution

The fourth proportional to 31,495.13, 47,242.70 and 10,718.63 is: 16,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495.13 : 47,242.70 = 10,718.63 : x
  2. Step 2: Convert to fraction form
    31,495.13/47,242.70 = 10,718.63/x
  3. Step 3: Cross multiply
    31,495.13x = 47,242.70 × 10,718.63
  4. Step 4: Simplify right side
    31,495.13x = 506,376,731.69
  5. Step 5: Solve for x
    x = 506,376,731.69/31,495.13
  6. Step 6: Final answer
    x = 16,077.94

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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.