Home / 85,531.52-128,260.16-32,904.07

Finding the Fourth Proportional to 85,531.52, 128,260.16 and 32,904.07

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Solution

The fourth proportional to 85,531.52, 128,260.16 and 32,904.07 is: 49,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,531.52 : 128,260.16 = 32,904.07 : x
  2. Step 2: Convert to fraction form
    85,531.52/128,260.16 = 32,904.07/x
  3. Step 3: Cross multiply
    85,531.52x = 128,260.16 × 32,904.07
  4. Step 4: Simplify right side
    85,531.52x = 4,220,280,921.07
  5. Step 5: Solve for x
    x = 4,220,280,921.07/85,531.52
  6. Step 6: Final answer
    x = 49,341.82

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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.