Home / 57,007.32-78,667.20-33,130.14

Finding the Fourth Proportional to 57,007.32, 78,667.20 and 33,130.14

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Solution

The fourth proportional to 57,007.32, 78,667.20 and 33,130.14 is: 45,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,007.32 : 78,667.20 = 33,130.14 : x
  2. Step 2: Convert to fraction form
    57,007.32/78,667.20 = 33,130.14/x
  3. Step 3: Cross multiply
    57,007.32x = 78,667.20 × 33,130.14
  4. Step 4: Simplify right side
    57,007.32x = 2,606,255,349.41
  5. Step 5: Solve for x
    x = 2,606,255,349.41/57,007.32
  6. Step 6: Final answer
    x = 45,717.91

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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.