Home / 37,911.93-52,318.64-20,916.38

Finding the Fourth Proportional to 37,911.93, 52,318.64 and 20,916.38

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Solution

The fourth proportional to 37,911.93, 52,318.64 and 20,916.38 is: 28,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,911.93 : 52,318.64 = 20,916.38 : x
  2. Step 2: Convert to fraction form
    37,911.93/52,318.64 = 20,916.38/x
  3. Step 3: Cross multiply
    37,911.93x = 52,318.64 × 20,916.38
  4. Step 4: Simplify right side
    37,911.93x = 1,094,316,555.32
  5. Step 5: Solve for x
    x = 1,094,316,555.32/37,911.93
  6. Step 6: Final answer
    x = 28,864.70

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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.