Home / 37,688.24-52,009.85-20,921.24

Finding the Fourth Proportional to 37,688.24, 52,009.85 and 20,921.24

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Solution

The fourth proportional to 37,688.24, 52,009.85 and 20,921.24 is: 28,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.24 : 52,009.85 = 20,921.24 : x
  2. Step 2: Convert to fraction form
    37,688.24/52,009.85 = 20,921.24/x
  3. Step 3: Cross multiply
    37,688.24x = 52,009.85 × 20,921.24
  4. Step 4: Simplify right side
    37,688.24x = 1,088,110,554.21
  5. Step 5: Solve for x
    x = 1,088,110,554.21/37,688.24
  6. Step 6: Final answer
    x = 28,871.35

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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.