Home / 85,526.08-128,289.28-32,960.32

Finding the Fourth Proportional to 85,526.08, 128,289.28 and 32,960.32

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Solution

The fourth proportional to 85,526.08, 128,289.28 and 32,960.32 is: 49,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,526.08 : 128,289.28 = 32,960.32 : x
  2. Step 2: Convert to fraction form
    85,526.08/128,289.28 = 32,960.32/x
  3. Step 3: Cross multiply
    85,526.08x = 128,289.28 × 32,960.32
  4. Step 4: Simplify right side
    85,526.08x = 4,228,455,721.37
  5. Step 5: Solve for x
    x = 4,228,455,721.37/85,526.08
  6. Step 6: Final answer
    x = 49,440.54

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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.