Home / 37,636.29-51,938.80-20,639.52

Finding the Fourth Proportional to 37,636.29, 51,938.80 and 20,639.52

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Solution

The fourth proportional to 37,636.29, 51,938.80 and 20,639.52 is: 28,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.29 : 51,938.80 = 20,639.52 : x
  2. Step 2: Convert to fraction form
    37,636.29/51,938.80 = 20,639.52/x
  3. Step 3: Cross multiply
    37,636.29x = 51,938.80 × 20,639.52
  4. Step 4: Simplify right side
    37,636.29x = 1,071,991,901.38
  5. Step 5: Solve for x
    x = 1,071,991,901.38/37,636.29
  6. Step 6: Final answer
    x = 28,482.93

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1.5x scale

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.