Home / 37,440.48-51,666.87-20,445.18

Finding the Fourth Proportional to 37,440.48, 51,666.87 and 20,445.18

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Solution

The fourth proportional to 37,440.48, 51,666.87 and 20,445.18 is: 28,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,440.48 : 51,666.87 = 20,445.18 : x
  2. Step 2: Convert to fraction form
    37,440.48/51,666.87 = 20,445.18/x
  3. Step 3: Cross multiply
    37,440.48x = 51,666.87 × 20,445.18
  4. Step 4: Simplify right side
    37,440.48x = 1,056,338,457.19
  5. Step 5: Solve for x
    x = 1,056,338,457.19/37,440.48
  6. Step 6: Final answer
    x = 28,213.81

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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.