Home / 37,389.81-51,595.61-20,623.17

Finding the Fourth Proportional to 37,389.81, 51,595.61 and 20,623.17

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Solution

The fourth proportional to 37,389.81, 51,595.61 and 20,623.17 is: 28,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,389.81 : 51,595.61 = 20,623.17 : x
  2. Step 2: Convert to fraction form
    37,389.81/51,595.61 = 20,623.17/x
  3. Step 3: Cross multiply
    37,389.81x = 51,595.61 × 20,623.17
  4. Step 4: Simplify right side
    37,389.81x = 1,064,064,933.17
  5. Step 5: Solve for x
    x = 1,064,064,933.17/37,389.81
  6. Step 6: Final answer
    x = 28,458.69

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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.