Home / 47,020-64,830-36,916.96

Finding the Fourth Proportional to 47,020, 64,830 and 36,916.96

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Solution

The fourth proportional to 47,020, 64,830 and 36,916.96 is: 50,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020 : 64,830 = 36,916.96 : x
  2. Step 2: Convert to fraction form
    47,020/64,830 = 36,916.96/x
  3. Step 3: Cross multiply
    47,020x = 64,830 × 36,916.96
  4. Step 4: Simplify right side
    47,020x = 2,393,326,516.80
  5. Step 5: Solve for x
    x = 2,393,326,516.80/47,020
  6. Step 6: Final answer
    x = 50,900.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.