Home / 53,313.33-79,900.96-21,686.67

Finding the Fourth Proportional to 53,313.33, 79,900.96 and 21,686.67

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Solution

The fourth proportional to 53,313.33, 79,900.96 and 21,686.67 is: 32,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,313.33 : 79,900.96 = 21,686.67 : x
  2. Step 2: Convert to fraction form
    53,313.33/79,900.96 = 21,686.67/x
  3. Step 3: Cross multiply
    53,313.33x = 79,900.96 × 21,686.67
  4. Step 4: Simplify right side
    53,313.33x = 1,732,785,752.20
  5. Step 5: Solve for x
    x = 1,732,785,752.20/53,313.33
  6. Step 6: Final answer
    x = 32,501.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.