Home / 57,313.83-85,973.07-14,620.38

Finding the Fourth Proportional to 57,313.83, 85,973.07 and 14,620.38

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Solution

The fourth proportional to 57,313.83, 85,973.07 and 14,620.38 is: 21,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,313.83 : 85,973.07 = 14,620.38 : x
  2. Step 2: Convert to fraction form
    57,313.83/85,973.07 = 14,620.38/x
  3. Step 3: Cross multiply
    57,313.83x = 85,973.07 × 14,620.38
  4. Step 4: Simplify right side
    57,313.83x = 1,256,958,953.17
  5. Step 5: Solve for x
    x = 1,256,958,953.17/57,313.83
  6. Step 6: Final answer
    x = 21,931.16

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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.