Home / 37,688.88-52,012.08-20,925.12

Finding the Fourth Proportional to 37,688.88, 52,012.08 and 20,925.12

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Solution

The fourth proportional to 37,688.88, 52,012.08 and 20,925.12 is: 28,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.88 : 52,012.08 = 20,925.12 : x
  2. Step 2: Convert to fraction form
    37,688.88/52,012.08 = 20,925.12/x
  3. Step 3: Cross multiply
    37,688.88x = 52,012.08 × 20,925.12
  4. Step 4: Simplify right side
    37,688.88x = 1,088,359,015.45
  5. Step 5: Solve for x
    x = 1,088,359,015.45/37,688.88
  6. Step 6: Final answer
    x = 28,877.46

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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.