Home / 37,684.72-52,001.64-20,688.91

Finding the Fourth Proportional to 37,684.72, 52,001.64 and 20,688.91

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Solution

The fourth proportional to 37,684.72, 52,001.64 and 20,688.91 is: 28,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,684.72 : 52,001.64 = 20,688.91 : x
  2. Step 2: Convert to fraction form
    37,684.72/52,001.64 = 20,688.91/x
  3. Step 3: Cross multiply
    37,684.72x = 52,001.64 × 20,688.91
  4. Step 4: Simplify right side
    37,684.72x = 1,075,857,249.81
  5. Step 5: Solve for x
    x = 1,075,857,249.81/37,684.72
  6. Step 6: Final answer
    x = 28,548.90

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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.