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Finding the Fourth Proportional to 62,019.52, 93,040.80 and 28,717.60

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Solution

The fourth proportional to 62,019.52, 93,040.80 and 28,717.60 is: 43,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,019.52 : 93,040.80 = 28,717.60 : x
  2. Step 2: Convert to fraction form
    62,019.52/93,040.80 = 28,717.60/x
  3. Step 3: Cross multiply
    62,019.52x = 93,040.80 × 28,717.60
  4. Step 4: Simplify right side
    62,019.52x = 2,671,908,478.08
  5. Step 5: Solve for x
    x = 2,671,908,478.08/62,019.52
  6. Step 6: Final answer
    x = 43,081.73

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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.