Home / 42,148.65-62,915.50-36,828.19

Finding the Fourth Proportional to 42,148.65, 62,915.50 and 36,828.19

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Solution

The fourth proportional to 42,148.65, 62,915.50 and 36,828.19 is: 54,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,148.65 : 62,915.50 = 36,828.19 : x
  2. Step 2: Convert to fraction form
    42,148.65/62,915.50 = 36,828.19/x
  3. Step 3: Cross multiply
    42,148.65x = 62,915.50 × 36,828.19
  4. Step 4: Simplify right side
    42,148.65x = 2,317,063,738.59
  5. Step 5: Solve for x
    x = 2,317,063,738.59/42,148.65
  6. Step 6: Final answer
    x = 54,973.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.