Home / 62,280.09-85,920.35-43,428.15

Finding the Fourth Proportional to 62,280.09, 85,920.35 and 43,428.15

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Solution

The fourth proportional to 62,280.09, 85,920.35 and 43,428.15 is: 59,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,280.09 : 85,920.35 = 43,428.15 : x
  2. Step 2: Convert to fraction form
    62,280.09/85,920.35 = 43,428.15/x
  3. Step 3: Cross multiply
    62,280.09x = 85,920.35 × 43,428.15
  4. Step 4: Simplify right side
    62,280.09x = 3,731,361,630.71
  5. Step 5: Solve for x
    x = 3,731,361,630.71/62,280.09
  6. Step 6: Final answer
    x = 59,912.59

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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.