Home / 37,309.05-51,485.51-20,312.93

Finding the Fourth Proportional to 37,309.05, 51,485.51 and 20,312.93

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Solution

The fourth proportional to 37,309.05, 51,485.51 and 20,312.93 is: 28,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,309.05 : 51,485.51 = 20,312.93 : x
  2. Step 2: Convert to fraction form
    37,309.05/51,485.51 = 20,312.93/x
  3. Step 3: Cross multiply
    37,309.05x = 51,485.51 × 20,312.93
  4. Step 4: Simplify right side
    37,309.05x = 1,045,821,740.14
  5. Step 5: Solve for x
    x = 1,045,821,740.14/37,309.05
  6. Step 6: Final answer
    x = 28,031.32

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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.